$\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

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