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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

`a pi`

B

` pi/2`

C

`pi /a`

D

`2 pi`

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The correct Answer is:
B
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MOTION-DEFINITE INTEGRATION -EXERCISE -2 (LEVEL-I)
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