CBSE > Class 12 > Mathematics | CBSE Board | Homework Help

€ - integration I = €cos^9x/sinx dx I = € cos^8x cosx/sinx dx I = € ( cos^2x )^4 cosx/sinx dx I = € ( 1 - sin^2x )^4 cosx/sinx dx let sinx = t Differenciate w.r.t. x Cosx = dt/dx Cosx dx = dt I = € ( 1 - t^2 )^4 /t dt I = € 1 - 4t^2 + 6t^4 - 4t^6 + t^8 /t dt I = € 1/t - 4t + 6t^3 - 4t^5 + t^7 dt I = ln|t| - 2t^2 + 3t^4/2 - 2t^6/3 + t^8/8 + C I = ln|sin| - 2sin^2x + 3sin^4x/2 - 2sin^6x/3 + sin^8x/8 + C

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Sin^x+cos^y

Posted by Ritesh Pandey 6 years ago

CBSE > Class 12 > Mathematics

3 answers

Ron Vineetahuja 6 years ago

Krna kya hai btao

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Pooja Bhakar 6 years ago

Is question me krna kya h ye to btao

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Rakesh Kumar Tiwari 6 years ago

Question galat type kiya hai

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Integral (5x-1)√(6+5x-2x^2)dx

Posted by Harsha Vella 6 years ago

CBSE > Class 12 > Mathematics

0 answers

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Integration of x • root under 1+2x^2

Posted by Uday Shankar 6 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Intrigral of 1/x

Posted by Ankit Kushwaha Ankit 6 years ago

CBSE > Class 12 > Mathematics

8 answers

Hooda Shab 6 years ago

log lxl + c

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Hooda Shab 6 years ago

log lxl

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Avinash Parmar 6 years ago

log|x| +C

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Pooja Bhakar 6 years ago

Log|x|

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Pushkar Gupta 6 years ago

1/x= logx

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Avantika Negi 6 years ago

Iog lxl

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Armanpreet Kaur Sandhu 6 years ago

log|x|

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Hardik Singh 6 years ago

Log|x|

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Integration of log sinx and limit is zero to pie/ 2

Posted by Mansi Aggarwal 6 years ago

CBSE > Class 12 > Mathematics

5 answers

Avinash Parmar 6 years ago

[Cot x]0to piano by 2

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Jasmine Garg 6 years ago

-pi/2 (log2)

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Ajay Dahiya 6 years ago

-pi/2 (log2)

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Nikhil Singh 6 years ago

Wrong hai

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Nikhil Singh 6 years ago

Cotx

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Find the intervals in which FX equal to X + 1 ^ 3 into x minus 3 to the power 3 is increasing or decreasing

Posted by Shubham Kumar 6 years ago

CBSE > Class 12 > Mathematics

1 answers

Ajay Dahiya 6 years ago

Decrease (-infinity, 1) Increase (1, infinity)

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Can someone score 99% by studying in last 5 months?

Posted by Nitin Singh 6 years ago

CBSE > Class 12 > Mathematics

4 answers

Ankit Singh 6 years ago

Yes i am

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Devendra Rajpurohit 6 years ago

YES I CAN

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Purva Bhardwaj 6 years ago

If proper care is taken then i don't see why not

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Tom Crus 6 years ago

Yah I? can

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Show that the function f: R to R defined by f (x) = x/x^2 + 1, for all x belong to R olis neither one one nor onto

Posted by Nidhi Thakur 6 years ago

CBSE > Class 12 > Mathematics

2 answers

Ajay Dahiya 6 years ago

For onto take y=1..but it has no pre image in domain so not onto

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Ajay Dahiya 6 years ago

For one one take 2 and 1/2 both give 2/5.. It means it is many one function

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Find the value of tan^-1 (-1) in the interval (180/2,540/2)

Posted by Nidhi Thakur 6 years ago

CBSE > Class 12 > Mathematics

1 answers

Ajay Dahiya 6 years ago

135

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Evaluate integration of dx/root of 2x + 3

Posted by Nidhi Thakur 6 years ago

CBSE > Class 12 > Mathematics

7 answers

Avinash Parmar 6 years ago

2 (2x+3)^1/2

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Gauri Kaushal 6 years ago

(2x+3)^1/2

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Ankit Aryan Shivan 6 years ago

Root under 2x+3

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Ujjwal Lalera 6 years ago

xsquare +3x

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Piyush Mahajan 6 years ago

2(2x+3)^1/2

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Nikhil Singh 6 years ago

1/2x+3 is right answer

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Nikhil Singh 6 years ago

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Integration of x square /x+3×root 3x+4

Posted by Tanu Chauhan 6 years ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

What is unit matrix?

Posted by Kartik Jain 6 years ago

CBSE > Class 12 > Mathematics

3 answers

Ron Vineetahuja 6 years ago

Unit matrix is the matrix having Diagonal elements 1 and rest of elements are 0

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Khuskaran Sidhu 6 years ago

[1 0 0 0 1 0 0 0 1]

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Gaurav Seth 6 years ago

Unit/Identity Matrix:

A square matrix , in which every non - diagonal element is zero and every diagonal element is 1 , is called , unit matrix or an identity matrix. . . . . . . . . . . ./ .

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Find the value of X and Y of Equation 3x + 5y = 15 and 5x +2y = 10

Posted by Ansh Jasuja 6 years ago

CBSE > Class 12 > Mathematics