Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Let
. The number of local maximum/ maxima of the function f(x) is
Text Solution
Verified by ExpertsThe correct answer is:
A
0
As f' (x) = 3sin 2 x. cos x - 3 cos x
= 3 cos x (sin 2 x - l)

Hence, f(x) shows no local maximum.
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