\[\frac{d}{dx}\left( {{x}^{2}}\sin \frac{1}{x} \right)=\]

1.	\[\frac{d}{dx}\left( {{x}^{2}}\sin \frac{1}{x} \right)=\]
A.	\[\cos \,\left( \frac{1}{x} \right)+2x\sin \left( \frac{1}{x} \right)\]
B.	\[2x\sin \left( \frac{1}{x} \right)-\cos \left( \frac{1}{x} \right)\]
C.	\[\cos \left( \frac{1}{x} \right)-2x\sin \left( \frac{1}{x} \right)\]
D.	None of these
Answer» C. \[\cos \left( \frac{1}{x} \right)-2x\sin \left( \frac{1}{x} \right)\]

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\[\frac{d}{dx}\left( {{x}^{2}}\sin \frac{1}{x} \right)=\]

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