Maxima, Minima and Optimization Problems - Class XI
Casual Mode - Take your time!
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Multiple Choice
The value of $a$ for which the function $f(x)=a\ \sin x+\dfrac{1}{3}\sin 3x$ has an extremum at $x=\dfrac{\pi}{3}$ is
- $1$
- $-1$
- $0$
- $2$