यदि $y = x \sin x$ है,तो

  • A
    $\frac{1}{y} \frac{dy}{dx} = \frac{1}{x} + \cot x$
  • B
    $\frac{dy}{dx} = \frac{1}{x} + \cot x$
  • C
    $\frac{1}{y} \frac{dy}{dx} = \frac{1}{x} - \cot x$
  • D
    इनमें से कोई नहीं

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