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int(1-x^2)/(1+x^2)dx...

`int(1-x^2)/(1+x^2)dx`

A

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

B

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

C

`tan^(-1)x+x+c`

D

`tan^(-1)x-x+c`

Text Solution

Verified by Experts

The correct Answer is:
B
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