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The least value of the function f(x) = 2...

The least value of the function `f(x) = 2 cos x + x` in the closed interval `[0,pi/2]` is

A

2

B

`pi/6+sqrt3`

C

`pi/2`

D

The least value does not exist.

Text Solution

Verified by Experts

The correct Answer is:
C
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