If y= cos ^(2) (log (2x +3) ), then (dy)...

`If y= cos ^(2) (log (2x +3) ), then (dy)/(dx) =`

A

` (2sin (2log (2x+3)))/( 2x +3)`

B

` (-2sin (2log (2x+3)))/( 2x+3) `

C

` (sin (2log (2x+3)))/( 2x+3)`

D

` (-sin (2log (2x+3)))/( 2x+3) `

Text Solution

Verified by Experts

The correct Answer is:

A

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