int(sin 2x)/(a^2+b^2 sin^2 x)dx =...

`int(sin 2x)/(a^2+b^2 sin^2 x)dx` =

A

(A) `1/b^2 log(a^2 + b^2 sin^2 x) + c`

B

(B) `1/b log(a^2 + b^2 sin^2 x) + c`

C

(C) `log(a^2 + b^2 sin^2 x) + c`

D

(D) `b^2 log(a^2 + b^2 sin^2 x) + c`

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