NIMCET 2015 Mathematics Question 33 with Solution

Question 33

Mathematics Differentiation Hard

A function f : (0, π) → R defined by f(x) = 2 sin x + cos 2x has 

(A) A local minimum but no local maximum

(B) A local maximum but no local minimum

(C) Both local minimum and local maximum

(D) Neither a local minimum nor a local maximum

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Correct Solution: Option C

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