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int(pi//4)^(3pi//4) (x)/(1+sin x) dx=...

`int_(pi//4)^(3pi//4) (x)/(1+sin x) dx=`

A

`sqrt(2)pi`

B

`(sqrt(2) -1)pi`

C

`pi`

D

1

Text Solution

Verified by Experts

The correct Answer is:
B
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