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The value of int(-pi)^(pi)(cos^(2)x)/(1+...

The value of `int_(-pi)^(pi)(cos^(2)x)/(1+a^(x))dx,agt0`, is

A

`a pi`

B

`pi/2`

C

`pi/a`

D

`2pi`

Text Solution

Verified by Experts

The correct Answer is:
B
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