Sarthaks Test
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At x = \(\frac{5\pi}{6}\), f(x) = 2sin 3x + 3 cos 3x is :

A. 0 

B. maximum 

C. minimum 

D. none of these

1 Answer

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Option : (D)

So, at x = \(\frac{5\pi}{6}\), neither is maximum nor minimum

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