The value of -a- for which the function f x - a sin x -1-3sin 3 x has an extremum at x -3 isA- 2 B- -2C- 2-3D- -2-3

The correct option is A a cosx + 1/3 × 3 cos3x = 0 for x= π/3 a 1/2 + ( 1) = 0 a=2 ...

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First Fundamental Theorem of Calculus

The value of ...

Question

The value of 'a' for which the function f(x) = a sin x + $\frac{1}{3}$ sin 3x has an extremum at x = $\frac{π}{3}$ is

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Similar questions

a

f (x) = a sin x + \frac{1}{3} sin 3 x

x = \frac{π}{3}

f (x) = a sin x + \frac{1}{3} sin 3 x

x = π / 3

a

f (x) = a sin x + (\frac{1}{3}) sin 3 x

x = \frac{π}{3}

\frac{1}{3} \sin 3 x

\frac{π}{3}

The maximum value of the function $f (x) = - | x + 1 | + 3$ is

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