MCQ
$\frac{d}{d x}\left(\sin ^{-1} \frac{1}{x}\right)=$
  • $-\frac{1}{x \sqrt{x^2-1}}$
  • B
    $\frac{1}{x \sqrt{x^2-1}}$
  • C
    $\frac{1}{\sqrt{x^2-1}}$
  • D
    $\frac{1}{x \sqrt{1-x^2}}$

Answer

Correct option: A.
$-\frac{1}{x \sqrt{x^2-1}}$
A

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