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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` where agt 0, is

A

`pi`

B

`a pi`

C

`(pi)/(2)`

D

`2pi`

Text Solution

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The correct Answer is:
C
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