For the function f(x)=e^cosx, Rolle's th...

For the function `f(x)=e^cosx`, Rolle's theorem is

A

Applicable when `pi/2 le x le (3pi)/(2)`

B

Applicable when `0 le x le pi/2`

C

Applicable when `0 le x le pi`

D

Applicable when `pi/4 le x le pi/2`

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The correct Answer is:

A

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