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I : int(0)^(pi//2)(2tan""(x)/(2)+xsec^(2...

I : `int_(0)^(pi//2)(2tan""(x)/(2)+xsec^(2)""(x)/(2))dx=pi`
II : `int_(0)^(1)xTan^(-1).xdx=(pi)/(4)-(1)/(2)`

A

only I is true

B

only II is true

C

both I and II are true

D

neither I nor true

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