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f(x) = sin x + cos 2x ( x gt 0) has mi...

`f(x) = sin x + cos 2x ( x gt 0)` has minma for x =

A

`n pi/2`

B

` 3/2 (n + 1)pi`

C

`1/2 (2n + 1) pi`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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