The integral int(0)^(pi)sqrt(1+4"sin"^2...

The integral `int_(0)^(pi)sqrt(1+4"sin"^2(x)/(2)-4"sin"(x)/(2))` dx is equal to

A

`pi-4`

B

`(2pi)/(3)-4-4sqrt(3)`

C

`4sqrt(3)-4`

D

`4sqrt(3)-4-pi//3`

Verified by Experts

The correct Answer is:

D

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