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The value of int(0)^(pi//2) (1+ 2 cos x)...

The value of `int_(0)^(pi//2) (1+ 2 cos x)/( (2 + cos x)^(2) ) dx` is

A

`-1//2`

B

`2`

C

`1//2`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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