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Find the point at which the slope of the...

Find the point at which the slope of the tangent of the function `f(x)=e^xcosx` attains maxima, when `x in [-pi,pi]dot`

A

`(pi)/(4)`

B

`(pi)/(2)`

C

`(3pi)/(4)`

D

`pi`

Text Solution

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The correct Answer is:
D
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