If : int(1+cos4x)/(cotx-tanx)dx=A.cos 4x...

If : `int(1+cos4x)/(cotx-tanx)dx=A.cos 4x+B`, then

A

`A=(1)/(8), B in R`

B

`A=-(1)/(8), B in R`

C

`A=(1)/(4), B in R`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:

B

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