MCQ
यदि $y=\sec ^{-1}\left(\frac{1}{2 x^2-1}\right)$ तो $\frac{d y}{d x}=$
  • A
    $\frac{-2}{1+x^2}$
  • B
    $\frac{-2}{1-x^2}$
  • $\frac{-2}{\sqrt{1-x^2}}$
  • D
    इनमें से कोई नहीं

Answer

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

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