CBSE > Class 11 > Mathematics | CBSE Board | Homework Help | myCBSEguide

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

A ray of light passing through the point (1,2) reflects on the x-axis at point A and the reflected ray passes through the point (5,3). Find the coordinates of A.

Posted by Shivshant Upadhyay 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Show that 9(n-1)

Posted by Irfan Shah 7 years, 2 months ago

CBSE > Class 11 > Mathematics

3 answers

Suman Sharma 7 years, 2 months ago

Your question isn't complete

Aman Kumar 7 years, 2 months ago

Answer is 9n - 9..... Sorry friend but half question gets half answer

Shivshant Upadhyay 7 years, 2 months ago

What have to show.

ANSWER

What is a coeficiant

Posted by Ramasubbu Annamalai 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Ramasubbu Annamalai 7 years, 2 months ago

Y23 = 23 = coeficiant

ANSWER

X and y

Posted by Pulkit Sharma Bhardhawaj 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Chesta Pawan Manchanda 7 years, 2 months ago

Are variables

ANSWER

Choose the correct option: If a is greater than 0, then the expression ax^2+bx+c is positive for all values of 'x' provided (1) b^2-4ac is greater than 0 (2) b^2-4ac is lesser than 0

Posted by Priya Aggarwal 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Suman Sharma 7 years, 2 months ago

b^2-4ac<0

ANSWER

The line x=c, cuts the triangle with corners (0,0) , (1,1) and (9,1) into two regions . For the area of the two regions to be same 'c' must be ......

Posted by Vicky Kumar 7 years, 2 months ago

CBSE > Class 11 > Mathematics

5 answers

Vicky Kumar 7 years, 2 months ago

Sakshi so?

Vicky Kumar 7 years, 2 months ago

Heheh but give me the solution plzz

Sakshi Kharra 7 years, 2 months ago

Actually I am not preparing for IIT

Vicky Kumar 7 years, 2 months ago

...Who is preparing fot IIT? IF there is someone so plzz answer this question

Vicky Kumar 7 years, 2 months ago

Sakshi.....have a look

ANSWER

Slope of sides of a triangle are -1, -2, 3 . If the orthocenter of triangle is origin , locus of centroid is y/x = ......

Posted by Vicky Kumar 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Vicky Kumar 7 years, 2 months ago

Hello ....is there anyone who can give me the solution of this question?

ANSWER

Compute the derivatives of i)f(x) = (ax^2+bx+c)^100 ii)f(x)=1/ax^2+bx+c iii)f(x)= √tan inverse (sinx)

Posted by Tejaswini Sridharan 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Cosec(-690)

Posted by Jay Shankar 7 years, 2 months ago

CBSE > Class 11 > Mathematics

3 answers

Hardik Kumar 4 years, 6 months ago

the answer of cosec(-690°) is 2

Suman Sharma 7 years, 2 months ago

Cosec(-720+30) Cosec30° 2

Aman Kumar 7 years, 2 months ago

=> - cosec(690).. = - cosec(630+60)... = sec 60....= 2

ANSWER

Cos45+ sin115 is equal to

Posted by Md Saifudain 7 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Suman Sharma 7 years, 2 months ago

Your question is wrong

Sajid Ali 7 years, 2 months ago

0

ANSWER

Tan37.5

Posted by Atul Kumar 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Vicky Kumar 7 years, 2 months ago

The exact value is √6+ √3 - √2 - 2

ANSWER

In A.P. the first term is 2 and the sum of the first five term is one - fourth of the next five term . Show that 20th term is -112

Posted by Prince Mudgal 7 years, 2 months ago

CBSE > Class 11 > Mathematics

3 answers

Suman Sharma 7 years, 2 months ago

5/2(2a+4d)=5/8(2a+14d) 8a+16d=2a+14d 16+16d=4+14d 2d=-12 d=-6 A20=a+19d 2-114 -112

Shruti Gupta 7 years, 2 months ago

?? NCERT ques

Shivshant Upadhyay 7 years, 2 months ago

(T1+T2+T3+T4+T5)=1/4(T6+T7+T8+T9+T10)=1/4[(T1+T2+T3+.....+T10)--(T6+T7+T8+T9+T10)] S5=1/4(S10--S5) 4S5=(S10--S5) 5S5=S10 5×5/2[2×2+(5-1)d]=10/2×[2×2+(10-1)d] 50(1+d)=(20+45d) 5d=-30 d=-6 T20=2+(20-1)×6=2+19×-6 =-112.

ANSWER

Differencate by first principle ( sinx)1/3

Posted by Anurag Shakya 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Lalit Rajput 7 years, 2 months ago

6tfk

ANSWER

Find the sum to n terms of the sequence,8,88,888,8888.....

Posted by Harshit Saraswat 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Laxman Choudhary 7 years, 2 months ago

8(1,11,111,1111.......) Divide and multiply by 9 8/9(9,99,999....) 8/9(10-1,100-1,1000-1.....) 8/9((10,100,1000.....)-n) After that sum of 10 100 1000.... so on and it will be your answer

ANSWER

Find the derivative of xsinx using first principle

Posted by Nikhil Goyal 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If x=£ n=0 to infinity cos^2n theta , y=£ n=0 to infinity sin^2n fie and z=£ n=0 to infinity cos^2n theta sin^2n fie, where 0< theta< fie< pie/2 then prove that xz+yz--z=xy.

Posted by Shivshant Upadhyay 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If a,b,c are in AP and x,y,z are in GP then prove that the value of x^b-c.y^c-a.z^a-b.

Posted by Shivshant Upadhyay 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

A+B ka whole sqare

Posted by Raj Kamal Paswan 7 years, 2 months ago

CBSE > Class 11 > Mathematics

7 answers

Subhra Mistry 7 years, 2 months ago

What class u in kid?

Vicky Kumar 7 years, 2 months ago

Bhai tu 11th m hi hai na?

Sunny Bhardwaj 7 years, 2 months ago

Yaa aman....

Ritu Thapliyal 7 years, 2 months ago

I think so...

Aman Kumar 7 years, 2 months ago

By the way, I want to ask that, "ess type ka question log jaan bhujh k puchte Hai na.... ??

Aman Kumar 7 years, 2 months ago

A2+B2+2AB

Shivshant Upadhyay 7 years, 2 months ago

A2 +B2+2AB.

ANSWER

how many ways are there to arrange the letters of the word EDUCATION so that all the following three conditions hold ? 1. the vowels occur in the same order (EUAIO), 2. the consonants occur in the same order (DCTN), 3. no two consonants are next to each other.

Posted by Anurag Mishra 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

how many ways are there to arrange the letters of the word

Posted by Anurag Mishra 7 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Anurag Mishra 7 years, 2 months ago

Tell this

Anurag Mishra 7 years, 2 months ago

how many ways are there to arrange the letters of the word EDUCATION so that all the following three conditions hold ? 1. the vowels occur in the same order (EUAIO), 2. the consonants occur in the same order (DCTN), 3. no two consonants are next to each other.

ANSWER

an Arch is in the form of a parabola with the axis vertical .the arch is 10 M high and 5m wide at the base. how wide is it 2 metre from the vertex of the parabola?

Posted by Aman Gupta 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Solve tanπ÷8

Posted by Avinash Sangekar 7 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Aman Kumar 7 years, 2 months ago

Sorry , use tan(A-B)

Aman Kumar 7 years, 2 months ago

We can write,tan( 2pie -15pie/8).... then use formula of tan(A+B).... Use the formula and take the answer.... If wrong then correct me

ANSWER

Straight line se kitne marks ka question aata h??

Posted by Amrit Kaur 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Rashida Khan 7 years, 2 months ago

Straight line se question aane ki probability km h

ANSWER

Meri math ke teacher ka name

Posted by Mohini Mohini Shukla 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Mere math ke teacher ka name

Posted by Mohini Mohini Shukla 5 years, 9 months ago

CBSE > Class 11 > Mathematics

2 answers

Rashida Khan 7 years, 2 months ago

Kyu tumhe nhi pta kya

Ʌɐpɐʎ Ɐuɐɥsɹɐp . 7 years, 2 months ago

tumhe Jo pasand hai vo rekhlo.. ?

ANSWER

What is gp

Posted by Sumit Sahu 7 years, 2 months ago

CBSE > Class 11 > Mathematics

1 answers

Kamta Singh 7 years, 2 months ago

Gp is a geometric progression

ANSWER

If ã and ß are two solutions of the equation atanx +bsecx=c ,then find the values of sin (ã +ß) and cos( ã +ß).

Posted by Abhay Gupta 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

A line passes through (x1,y1) and (h,k). If the line is m, show that k--y1=m(h--x1).

Posted by Shivshant Upadhyay 7 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Amrit Kaur 7 years, 2 months ago

m=k-Y1/h-X1 m(h-X1)=k-Y1

Abhi Yaduvanshi 7 years, 2 months ago

According to formula m=y2-y1/x2-x1 we get m=k-y1/h-x1 By cross multiplication (k-y1)=m(h-x1)

ANSWER

A line perpendicular to the line segment joining the points (1,0) and (2,3) divides it in the ratio 1:n. Find the equation of the line .

Posted by Shivshant Upadhyay 7 years, 2 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Cosx+sinx=2

Posted by Anushka Choudhary 7 years, 2 months ago

CBSE > Class 11 > Mathematics

2 answers

Raj Hindu 7 years, 2 months ago

Max value of sinx and cosx is 1 but at same angle they are not possible

Anushka Choudhary 7 years, 2 months ago

Wrong question sorrry

ANSWER

Page 179 of 380

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App