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If x=tan ((1)/(2) sin ^(-1)((2t)/( 1+t^...

If ` x=tan ((1)/(2) sin ^(-1)((2t)/( 1+t^(2))) +(1)/(2)cos ^(-1) ((1-t^(2))/( 1+t^(2)))),`then `y= (2t)/( 1-t^(2)),` then `(dy)/(dx)=`

A

` -2`

B

2

C

1

D

-1

Text Solution

Verified by Experts

The correct Answer is:
C
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