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int(dx)/(1+2sinx+cosx)...

`int(dx)/(1+2sinx+cosx)`

A

`log [1 + 2 tan (x//2)] + c`

B

`log [1-2 tan(x//2)] + c`

C

`1/2 "log" [1 + 2 "tan" (x//2)] + c`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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