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int(0)^(pi/2)(cos^(4)x)/(cos^(4)x+sin^(4...

`int_(0)^(pi/2)(cos^(4)x)/(cos^(4)x+sin^(4)x)` dx =

A

`(pi)/(4)`

B

`(pi)/(2)`

C

`(pi)/(8)`

D

`(pi)`

Text Solution

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The correct Answer is:
A
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