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If y=sin(2 cos^(-1)x),"then " dy/dx=...

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

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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