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Sketch the region {x,y:4x^2+9y^2=36} and find its area using integration

Posted by Bhumika Singhal 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Show that the matrix A=[1 -1 5 -1 2 1 5 1 3] is a symmetric matrix

Posted by Kajal Kumari 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

2tan^-1(cosx)=tan^-1[(2cosx)/1-cos^2x] Proof

Posted by Harpal Singh 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Shubham Mishra 4 years, 9 months ago

LHS 2tan^-1(cosx) =tan^-1(cosx) + tan^-1(cosx) =tan^-1{(cosx+cosx)/1-cosxcosx)} =tan^-1{(2cosx)/1-cos^2x}

ANSWER

Exercise 7.3

Posted by Noufal Najeeb 4 years, 9 months ago

CBSE > Class 12 > Mathematics

3 answers

Akanksha Kumari 4 years, 9 months ago

Solution of ncert is given in this app

Iqbal Singh 4 years, 9 months ago

Yaa??

Mishti ???? 4 years, 9 months ago

Question no dear please...

ANSWER

X^3+x/x^4-9

Posted by Aarti Chandravanshi 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integral of sin⁴x is??

Posted by Suvarna ? 4 years, 9 months ago

CBSE > Class 12 > Mathematics

3 answers

Pankaj Kaushik 4 years, 9 months ago

Bro take it as 1/4 {(2sin²x)² and expand square

Iqbal Singh 4 years, 9 months ago

Do u mean this ??

Iqbal Singh 4 years, 9 months ago

Sin4x

ANSWER

If A+B+C =0 then prove that | 1 cosC cosB | |cosC 1 cos A | |cosB cosA 1 |

Posted by Aashiti Saraf 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integration of ex(4ex+3)/ /2e2x+2ex-3

Posted by Vishakha Kashyap 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

(e^alogx+e^xloga+e^x.a^x+sin t ) integration

Posted by Suman Sharma 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integrate 0 to π xdx/25sin²x+16cos²x

Posted by Kamal Yadav 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

3ki power x +2 ka samakalan

Posted by Sapna Sapna 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Aryan Kumar 4 years, 9 months ago

This can solved by properties of exponent . 9 × 3^x

ANSWER

Let a sin2 x b CO82 X C; b sin2 y a cos2 y d and p tan x q tan y.

Posted by Harsh Kumar 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Harsh Kumar 4 years, 9 months ago

What is tan2 x equal to

ANSWER

y= underroot x+y please solve it . find derivative .

Posted by Iqbal Singh 4 years, 9 months ago

CBSE > Class 12 > Mathematics

4 answers

Iqbal Singh 4 years, 9 months ago

Want rubbish is this ??

Tera Baap 4 years, 9 months ago

Jo mujhe report krega wo madherchod rhega issliye jisko madherchod, betichod bnna hai ya fir hai to report kre

Jhalak Mehra 4 years, 9 months ago

square both sides then solve

Khushi Shahi 4 years, 9 months ago

d/dx × (x+y)^1/2 = d/dx × (y). 1/2(x+y)^-1/2(1+dy/dx) = dy/dx. (1+dy/dx)1/2sqrut( x+y )=1. Ans. dy/dx = 2sqrut (x+y) - 1.

ANSWER

Please anybody suggest me good channel for math on YouTube.

Posted by Ragini Yadav??? 4 years, 9 months ago

CBSE > Class 12 > Mathematics

4 answers

Chandni Poojara 4 years, 9 months ago

Vedantu math, mathongo..

Mishti ???? 4 years, 9 months ago

U can use vedant u or unacadmey videos on u tube... Ashish sir have charged the premium on so many concept understanding videos dear.... Regards. ??

Jhalak Mehra 4 years, 9 months ago

cbse class videos.

Iqbal Singh 4 years, 9 months ago

Ya ashish sir lecture is much better than others . He explain all the concepts including JEE and all ncert problems and exercise solutions . ?

ANSWER

Find the values of 'a' for which the function: f(x)=x^2-2ax+6 is increasing when x>0.

Posted by Rabab Bedi 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Sin-1

Posted by Divya Joseph 4 years, 9 months ago

CBSE > Class 12 > Mathematics

3 answers

Iqbal Singh 4 years, 9 months ago

What?? Do u mean sin-1x 1/underroot 1+x*2

Raghvendra Singh 4 years, 9 months ago

1/sin

Anshuman Mishra 4 years, 9 months ago

What ?

ANSWER

if x=y power y ,then dx upon dy=?

Posted by Yogita Shukla 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Anshuman Mishra 4 years, 9 months ago

dx/dy = y^y (log y +1)

ANSWER

Solve the equation by matrix method 2x+6y=2 3x-z=-8 2x-y+z=-3 2y-z=1

Posted by Manpreet Choudhary 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integrate tan inverse x

Posted by Akshay Pratap Singh 4 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Jhalak Mehra 4 years, 9 months ago

log|secx| + C

Anshuman Mishra 4 years, 9 months ago

x.tan inverse x-1/2 log(1+x^2)

ANSWER

Y=x cos x. Find d^2y/dx^2

Posted by Linda St 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Harshita Bhambhani 4 years, 9 months ago

Y=x cosx dy/dx = cosx d/dx(x) +x d/dx(cosx) dy/dx = cosx + x(-sinx) dy/dx = cosx - xsinx d^2y/dx^2 = d/dx (cosx - xsinx) d^2y/dx^2 = d/dx(cosx) - d/dx(xsinx) d^2y/dx^2 = (-sinx) - {(sinx)+x(cosx)} d^2y/dx^2 = -sinx-sinx-xcosx =-(2sinx+xcosx)

ANSWER

A is a 3×3matrix and |A|=-2 then value of |A(adj A)| is

Posted by Abhaynarayan Pandey 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Tannu Rao 4 years, 9 months ago

|A(adjA)| = |A|^(n-1) = (-2)^2 = 4

ANSWER

Find the integeral of e2x-e-2x

Posted by Omprakash Ompraksh 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Anshuman Mishra 4 years, 9 months ago

(e^2x+e^-2x)/2

ANSWER

Find the foot of the perpendicular drawn the ponit (1,2,5) to the plane r.(3i-j+k)=7

Posted by Hardik Kamboj 4 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Hardik Kamboj 4 years, 9 months ago

Solve krde bhai

Kshitiz Aggarwal 4 years, 9 months ago

Very easy....

ANSWER

integrate (sin^2x - cos^2x)/(sinx cosx)dx

Posted by Yash Dabhade 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Sonam Mishra 4 years, 9 months ago

Log[sec x.cosec x]+C

ANSWER

Integral of 1/4+x²

Posted by Ashna Ashna 4 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Itzz Aayu 4 years, 9 months ago

1/2arctan (x/2)+c

Suryakant Swain 4 years, 9 months ago

1/2tan^-1(x/2)+c

ANSWER

Find domain of sin^-1(1/2)-2sin^-1(1/√2)

Posted by Siddhartha Singh 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

Jhalak Agrawal 4 years, 9 months ago

Since, Sin-¹(1/2) = π/6 And Sin-¹(1/√2) = π/4 So, the required ans is: π/6 + 2(π/4) π\6 + π/2 (π+3π)/6 4π/6 2π/3. Hence 2π/3 is the requured answer.

ANSWER

Show that if one of the square root of z is w then other one is -w.

Posted by Charu Panwar 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

prepare a grouped frequency distribution of class intervals of equal width , taking one of the class intervals as 30-40

Posted by Gowtham Rajendran 4 years, 9 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

2 , 6=32 3, 6=27 4, 5= 9 5, 7 = 24 Then 6, 7 = ????.???

Posted by Shraddha ✨ 4 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Shraddha ✨ 4 years, 9 months ago

Yes , u r right . The right answer is 13

Sonam Mishra 4 years, 9 months ago

Answer is 13....

ANSWER

What is vector projection?

Posted by Suryakant Swain 4 years, 9 months ago

CBSE > Class 12 > Mathematics

1 answers

_Joan_37 ... 4 years, 9 months ago

Suppose a vector AB ⃗ makes an angle θ with a given directed line l (say). ... The vector p ⃗ is called the projection vector and its magnitude I p ⃗ I is called as the projection of the vector AB ⃗ on line l.

ANSWER

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