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If tan^(-1)(1+x)+tan^(-1)(1-x)=pi/2 then...

If `tan^(-1)(1+x)+tan^(-1)(1-x)=pi/2` then `x=?`

A

`-1`

B

`0`

C

`1`

D

`pi`

Text Solution

Verified by Experts

The correct Answer is:
B
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