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

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

A

`(a+b)/(2)`

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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