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If f:R to R be defined by f(x) =2x + cos...

If `f:R to R` be defined by f(x) =2x + cosx, then f

A

has a minimum at `x=pi`

B

has a maximum at x =0

C

is a decreasing function

D

is an increasing function

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The correct Answer is:
D
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VMC MODULES ENGLISH-DIFFERENTIAL CALCULUS 2-JEE Advanced (Archive)
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