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

The integral `int_(0)^(pi) sqrt(1 + 4 sin^2 x/2 - 4 sin x/2) dx` equals :

A

`pi-4`

B

`(2pi)/(3) -4 -4sqrt3`

C

`4sqrt3-4`

D

`4sqrt3-4-pi//3`

Text Solution

Verified by Experts

The correct Answer is:
D
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