sin^(-1)((2a)/(1+a^(2)))+sin^(-1)((2b)/(...

`sin^(-1)((2a)/(1+a^(2)))+sin^(-1)((2b)/(1+b^(2)))=2tan^(-1)x`, then x is equal to

A

`(a-b)/(1+ab)`

B

`(b)/(1+ab)`

C

`(b)/(a-ab)`

D

`(a+b)/(1-ab)`

Verified by Experts

The correct Answer is:

D

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