int0^pi(xsecxtanx)/(1+sec^2x)dx=(pi^2)/4...

`int_0^pi(xsecxtanx)/(1+sec^2x)dx=(pi^2)/4`

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The correct Answer is:

`(pi^(2))/(4)`

int0^pi(xsecxtanx)/(1+sec^2x)dx=(pi^2)/4
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