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The value of the integral int(-pi//2)^...

The value of the integral
`int_(-pi//2)^(pi//2)(sin^(2)x)/(1+e^(x))dx`
is

A

`(pi)/(6)`

B

`(pi)/(4)`

C

`(pi)/(2)`

D

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

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KVPY PREVIOUS YEAR-KVPY 2021-PART-I Mathematics
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