Tan^(-1)((x)/(y))-Tan^(-1)((x-y)/(x+y)) ...

`Tan^(-1)((x)/(y))-Tan^(-1)((x-y)/(x+y))` is equal to

A

`pi//2`

B

`pi//3`

C

`pi//4`

D

`(pi)/(4)` or -`(3pi)/(4)`

Verified by Experts

The correct Answer is:

C

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