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**Question:**

\(\underset{x\to 0}{\mathop{\lim }}\,x\sin \left( \frac{1}{{{x}^{2}}} \right)\) = ?

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\(\underset{x\to 0}{\mathop{\lim }}\,x\sin \left( \frac{1}{{{x}^{2}}} \right)\) = ?

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