यदि A=tan^(-1)x तो sin 2A=...

यदि `A=tan^(-1)x` तो `sin 2A=`

A

`(2x)/(sqrt(1-x^(2)))`

B

`(2x)/(1-x^(2))`

C

`(2x)/(1+x^(2))`

D

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लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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