MCQ
$\mathop {\lim }\limits_{x \to 0} \frac{{3\sin x - \sin 3x}}{{{x^3}}} = $
  • $4$
  • B
    $-4$
  • C
    $\frac{1}{4}$
  • D
    None of these

Answer

Correct option: A.
$4$
a
(a) $\mathop {\lim }\limits_{x \to 0} \,\,\frac{{4\,{{\sin }^3}x}}{{{x^3}}} = 4.$

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