हल कीजिए : sin^(-1).(2a)/(1+a^(2))+sin...

हल कीजिए :
`sin^(-1).(2a)/(1+a^(2))+sin^(-1).(2b)/(1+b^(2))=2tan^(-1)x.`

Verified by Experts

The correct Answer is:

`(a+b)/(1-ab)=x`.

हल कीजिए : sin^(-1).(2a)/(1+a^(2))+sin^(-1).(2b)/(1+b^(2))=2tan^(-1)...
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