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

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

A

`4y`

B

`(4)/(y)`

C

`(y)/(4)`

D

`(1)/(4y)`

Text Solution

Verified by Experts

The correct Answer is:
D
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