{"version":"1.0","provider_name":"myCBSEguide","provider_url":"https:\/\/mycbseguide.com\/blog","author_name":"myCBSEguide","author_url":"https:\/\/mycbseguide.com\/blog\/author\/admin\/","title":"NCERT Solutions class-11 Maths Exercise 14.5 | myCBSEguide","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"sXRYhmZ0O2\"><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-11-maths-exercise-14-5\/\">NCERT Solutions class-11 Maths Exercise 14.5<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-11-maths-exercise-14-5\/embed\/#?secret=sXRYhmZ0O2\" width=\"600\" height=\"338\" title=\"&#8220;NCERT Solutions class-11 Maths Exercise 14.5&#8221; &#8212; myCBSEguide\" data-secret=\"sXRYhmZ0O2\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","description":"Exercise 14.5 1. Show that the statement \u201cIf is a real number such that then is 0\u201d is true by (i) direct method (ii) method of contradiction (iii) method of contrapositive. Ans. The given compound statement is of the form \u201cif then \u201d. R such that (i) Direct method: If we assume that is true ... Read more","thumbnail_url":"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/maths\/ch14\/Ex14.5\/image001.png"}