{"id":4465,"date":"2016-05-16T11:49:00","date_gmt":"2016-05-16T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-maths-exercise-2-1\/"},"modified":"2019-02-28T17:23:11","modified_gmt":"2019-02-28T11:53:11","slug":"ncert-solutions-class-12-maths-exercise-2-1","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-maths-exercise-2-1\/","title":{"rendered":"NCERT Solutions class 12 Maths Exercise 2.1"},"content":{"rendered":"<p><strong>NCERT Solutions class 12 Maths Exercise 2.1 Class 12 Maths<\/strong> book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT textbooks. Class 12 Maths chapter wise NCERT solution for Maths part 1 and Maths part 2 for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>Download\u00a0<a href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-12-mathematics-inverse-trigonometric-functions\/1286\/ncert-solutions\/5\/\">NCERT solutions for\u00a0Inverse Trigonometric Function\u00a0<\/a>as PDF.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/12%20Maths%20Book%20pic.jpg\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"98\" height=\"127\" \/><\/p>\n<h2>NCERT Solutions class 12 Maths Inverse Trigonometric Function<\/h2>\n<p style=\"text-align: justify;\"><strong>Find the principal values of the following:<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>1. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 71px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image001.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"71\" height=\"45\" \/>\u00a0<\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 96px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image002.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"96\" height=\"45\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 72px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image004.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"72\" height=\"41\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 96px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image005.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"96\" height=\"41\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 111px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image006.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"111\" height=\"45\" \/><\/p>\n<p>Since, the principal value branch of <img decoding=\"async\" style=\"height: 21px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image007.png\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 64px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image008.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"64\" height=\"45\" \/><\/p>\n<p>Therefore, Principal value of <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 71px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image001.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"71\" height=\"45\" \/>\u00a0is <img decoding=\"async\" style=\"height: 41px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image009.png\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>2. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 53px; width: 76px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image010.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"76\" height=\"53\" \/><\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 53px; width: 101px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image011.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"101\" height=\"53\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 75px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image012.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"75\" height=\"45\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 89px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image013.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"89\" height=\"41\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 43px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image014.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"43\" height=\"41\" \/><\/p>\n<p>Since, the principal value branch of <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image015.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"36\" height=\"21\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 43px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image016.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"43\" height=\"27\" \/><\/p>\n<p>Therefore, Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 53px; width: 76px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image010.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"76\" height=\"53\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 21px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image017.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"21\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>3. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 76px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image018.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"76\" height=\"27\" \/>\u00a0<\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 101px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image019.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"101\" height=\"27\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 79px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image020.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"79\" height=\"21\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 123px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image021.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"123\" height=\"41\" \/><\/p>\n<p>Since, the principal value branch of <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 52px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image022.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"52\" height=\"21\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 68px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image023.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"68\" height=\"45\" \/><\/p>\n<p>Therefore, Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 76px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image018.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"76\" height=\"27\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 21px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image017.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"21\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>4. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 79px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image024.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"79\" height=\"32\" \/><\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 104px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image025.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"104\" height=\"32\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 25px; width: 81px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image026.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"81\" height=\"25\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 100px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image027.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"100\" height=\"41\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 115px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image028.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"115\" height=\"45\" \/><\/p>\n<p>Since, the principal value branch of <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image029.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"36\" height=\"21\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 68px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image023.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"68\" height=\"45\" \/><\/p>\n<p>Therefore, Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 79px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image024.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"79\" height=\"32\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image030.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"33\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>5. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 72px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image031.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"72\" height=\"45\" \/><\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 100px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image032.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"100\" height=\"45\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 75px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image033.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"75\" height=\"41\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 101px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image034.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"101\" height=\"41\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 188px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image035.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"188\" height=\"45\" \/><\/p>\n<p>Since, the principal value branch of <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image015.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"36\" height=\"21\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 43px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image016.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"43\" height=\"27\" \/><\/p>\n<p>Therefore,\u00a0 Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 72px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image031.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"72\" height=\"45\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 31px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image036.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"31\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>6. <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 66px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image037.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"66\" height=\"27\" \/><strong>\u00a0<\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 91px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image038.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"91\" height=\"27\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 68px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image039.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"68\" height=\"21\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 100px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image040.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"100\" height=\"41\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 115px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image041.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"115\" height=\"45\" \/><\/p>\n<p>Since, the principal value branch of <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image029.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"36\" height=\"21\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 68px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image023.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"68\" height=\"45\" \/><\/p>\n<p>Therefore, Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 66px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image037.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"66\" height=\"27\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image042.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"33\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>7. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 49px; width: 76px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image043.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"76\" height=\"49\" \/><\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 49px; width: 101px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image044.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"101\" height=\"49\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 44px; width: 72px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image045.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"72\" height=\"44\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img decoding=\"async\" style=\"height: 41px; width: 86px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image046.png\" \/><\/p>\n<p>Since, the principal value branch of <img decoding=\"async\" style=\"height: 21px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image047.png\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 43px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image016.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"43\" height=\"27\" \/><\/p>\n<p>Therefore, Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 49px; width: 76px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image043.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"76\" height=\"49\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 21px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image017.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"21\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>8. <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 69px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image048.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"69\" height=\"32\" \/><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 95px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image049.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"95\" height=\"32\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 25px; width: 71px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image050.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"71\" height=\"25\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 65px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image051.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"65\" height=\"41\" \/><\/p>\n<p>Since, the principal value branch of <img decoding=\"async\" style=\"height: 21px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image052.png\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 43px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image016.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"43\" height=\"27\" \/><\/p>\n<p>Therefore, Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 69px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image048.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"69\" height=\"32\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 21px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image017.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"21\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>9. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 49px; width: 77px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image053.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"77\" height=\"49\" \/>\u00a0<\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 49px; width: 103px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image054.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"103\" height=\"49\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 44px; width: 86px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image055.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"86\" height=\"44\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 101px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image056.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"101\" height=\"41\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 187px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image057.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"187\" height=\"45\" \/><\/p>\n<p>Since, the principal value branch of <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image015.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"36\" height=\"21\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 27px; width: 43px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image016.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"43\" height=\"27\" \/><\/p>\n<p>Therefore, Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 49px; width: 77px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image053.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"77\" height=\"49\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 30px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image058.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"30\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>10. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 97px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image059.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"97\" height=\"32\" \/><\/strong><\/p>\n<p><strong>Ans. <\/strong>Let <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 123px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image060.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"123\" height=\"32\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 25px; width: 101px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image061.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"101\" height=\"25\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 15px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image003.png\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 131px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image062.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"131\" height=\"41\" \/><\/p>\n<p>Since, the principal value branch of <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 52px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image022.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"52\" height=\"21\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 68px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image023.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"68\" height=\"45\" \/><\/p>\n<p>Therefore, Principal value of\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 32px; width: 97px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image059.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"97\" height=\"32\" \/>\u00a0is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 31px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image063.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"31\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>Find the value of the following:<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>11. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 219px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image064.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"219\" height=\"45\" \/><\/strong><\/p>\n<p><strong>Ans. <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 219px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image064.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"219\" height=\"45\" \/><\/p>\n<p>= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 293px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image065.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"293\" height=\"45\" \/><\/p>\n<p>= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 216px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image066.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"216\" height=\"45\" \/><\/p>\n<p>= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 81px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image067.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"81\" height=\"41\" \/><\/p>\n<p style=\"text-align: justify;\">= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 89px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image068.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"89\" height=\"41\" \/>\u00a0= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 60px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image069.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"60\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>12. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 148px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image070.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"148\" height=\"45\" \/>\u00a0<\/strong><\/p>\n<p><strong>Ans. <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 148px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image070.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"148\" height=\"45\" \/><\/p>\n<p>= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 166px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image071.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"166\" height=\"41\" \/><\/p>\n<p style=\"text-align: justify;\">= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 71px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image072.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"71\" height=\"45\" \/><\/p>\n<p style=\"text-align: justify;\">= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 81px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image073.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"81\" height=\"41\" \/><\/p>\n<hr \/>\n<p style=\"text-align: center;\"><strong>NCERT Solutions class 12 Maths Exercise 2.1<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>13. If\u00a0 <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 24px; width: 75px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image074.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"75\" height=\"24\" \/><strong>\u00a0then:<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>A) <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 64px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image075.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"64\" height=\"21\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>(B) <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 83px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image076.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"83\" height=\"41\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>(C) <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 21px; width: 64px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image077.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"64\" height=\"21\" \/><strong>\u00a0 <\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(D)<\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 83px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image078.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"83\" height=\"41\" \/><\/p>\n<p><strong>Ans. <\/strong>By definition of principal value for <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 24px; width: 75px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image079.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"75\" height=\"24\" \/>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 86px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image080.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"86\" height=\"41\" \/><\/p>\n<p>Therefore, option (B) is correct.<\/p>\n<hr \/>\n<p style=\"text-align: justify;\"><strong>14. \u00a0<\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 28px; width: 133px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image081.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"133\" height=\"28\" \/><strong>\u00a0is equal to:<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(A) <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 15px; width: 15px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image082.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"15\" height=\"15\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>(B) <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 30px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image083.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"30\" height=\"41\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>(C) <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 17px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image084.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"17\" height=\"41\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>(D) <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 25px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image085.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"25\" height=\"41\" \/><strong>\u00a0<\/strong><\/p>\n<p><strong>Ans. <\/strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 28px; width: 133px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image081.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"133\" height=\"28\" \/><\/p>\n<p>= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 182px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image086.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"182\" height=\"45\" \/><\/p>\n<p>= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 45px; width: 140px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image087.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"140\" height=\"45\" \/><\/p>\n<p>= <img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" style=\"height: 41px; width: 91px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/maths\/Ex2.1\/image088.png\" alt=\"NCERT Solutions class 12 Maths Exercise 2.1\" width=\"91\" height=\"41\" \/><\/p>\n<p>Therefore, option (B) is correct.<\/p>\n<h2>NCERT Solutions class 12 Maths Exercise 2.1<\/h2>\n<p>NCERT Solutions Class 12 Maths PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 12 Maths includes text book solutions from both part 1 and part 2. NCERT Solutions for CBSE Class 12 Maths have total 13 chapters. 12 Maths NCERT Solutions in PDF for free Download on our website. Ncert Maths class 12 solutions PDF and Maths ncert class 12 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide<\/p>\n<h2>CBSE App for Students<\/h2>\n<p>To download\u00a0NCERT Solutions for class 12 Physics, Chemistry, Biology, History, Political Science, Economics, Geography, Computer Science, Home Science, Accountancy, Business Studies and Home Science; do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions class 12 Maths Exercise 2.1 Class 12 Maths book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT textbooks. Class 12 Maths &#8230; <a title=\"NCERT Solutions class 12 Maths Exercise 2.1\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-maths-exercise-2-1\/\" aria-label=\"More on NCERT Solutions class 12 Maths Exercise 2.1\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":-1,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1432,281],"tags":[283,1342,321,216],"class_list":["post-4465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mathematics-cbse-class-12","category-ncert-solutions","tag-cbse-study-material","tag-class-12","tag-mathematics","tag-ncert-solutions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions class 12 Maths Exercise 2.1 | myCBSEguide<\/title>\n<meta name=\"description\" content=\"NCERT 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