The function f(x)=cos x -2 px is monoton...

The function f(x)=cos x -2 px is monotonically decreasing for a)`plt1/2` b)`pgt1/2` c)`plt2` d)`pgt2`

A

`plt1/2`

B

`pgt1/2`

C

`plt2`

D

`pgt2`

Verified by Experts

The correct Answer is:

B

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