If int(0)^(pi) f(tan x) dx= lambda then ...

If `int_(0)^(pi) f(tan x) dx= lambda` then `int_(0)^(2pi) f(tan x) dx=`

A

`lambda/2`

B

`-2 lambda`

C

`2 lambda`

D

`- lambda/2`

Text Solution

Verified by Experts

The correct Answer is:

C

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