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int(cos(tan^(-1)x)+sin(tan^(-1)x))/(1+x^...

`int(cos(tan^(-1)x)+sin(tan^(-1)x))/(1+x^(2))dx=`

A

`(2)/(sqrt(1+x^(2)))+c`

B

`(x-1)/(sqrt(1+x^(2)))+c`

C

`(1)/(sqrt(1+x^(2)))+c`

D

`(-1)/(sqrt(1+x^(2)))+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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