int(-1)^(1) d/(dx) ((tan^(-1)) 1/x) dx =...

`int_(-1)^(1) d/(dx) ((tan^(-1)) 1/x) dx =`

A

`pi/4`

B

`pi/2`

C

`-pi/4`

D

`-pi/2`

Text Solution

Verified by Experts

The correct Answer is:

B

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