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int(0)^(pi//2) (x sec^(2). x/2 + 2 tan. ...

`int_(0)^(pi//2) (x sec^(2). x/2 + 2 tan. x/2)dx=`

A

`2 pi`

B

`pi`

C

`pi/2`

D

`pi/4`

Text Solution

Verified by Experts

The correct Answer is:
B
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