If the integal int (5 tan x dx )/(tan x-...

If the integal `int (5 tan x dx )/(tan x-2) =x +a ln |sin x-2 cos x | +C,` then 'a' is equal to :

A

`-1`

B

`-2`

C

`1`

D

`2`

Verified by Experts

The correct Answer is:

D

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