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If |a|lt1|b|lt1and|x|lt1 then the soluti...

If `|a|lt1|b|lt1and|x|lt1` then the solution of `sin^(-1)((2a)/(1+a^(2)))-cos^(-1)((1-b^(2))/(1+b^(2)))=tan^(-1)((2x)/(1-x^(2)))` is

A

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

B

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

C

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

D

none of these

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