MCQ
$\frac{ d }{ dx }\left(\tan ^{-1} 3 x \right)_{ x =3}=\ldots \ldots \ldots$
  • $\frac{3}{82}$
  • B
    $\frac{1}{82}$
  • C
    $\frac{2}{82}$
  • D
    $\frac{1}{43}$

Answer

Correct option: A.
$\frac{3}{82}$
$\frac{3}{82}$

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