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overset(pi//2)underset(-pi//2)int (|x|)/...

`overset(pi//2)underset(-pi//2)int (|x|)/(8 cos^(2)2x+1)dx`has the value

A

`(pi ^(2))/(6)`

B

`(pi^(2))/(12)`

C

`(pi^(2))/(24)`

D

None of these

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The correct Answer is:
B
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