Question
फलन $\sin \left( {\frac{{2x}}{3}} \right) + \sin \left( {\frac{{3x}}{2}} \right)$ का आवर्तनांक है

Answer

d
$\sin \left( {\frac{{2x}}{3}} \right)\,$ का आवर्तनांक $ = \frac{{2\pi }}{{2/3}} = 3\pi $

$\sin \,\left( {\frac{{3x}}{2}} \right)$ का आवर्तनांक $ = \frac{{2\pi }}{{3/2}} = \frac{{4\pi }}{3}$

$3\pi $ और $\frac{{4\pi }}{3}$ का $L.C.M.= 12\pi $.

अत: आवर्तनांक $12\pi $ है।

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