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If y=cos ^(-1) ((log x^(2))/( 1+(log x)...

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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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