MCQ
यदि $y=\cos ^{-1} x^3$ तब $\frac{d y}{d x}=$ ?
  • A
    $\frac{-1}{(1+x)}$
  • B
    $\frac{2}{\sqrt{(1+x)}}$
  • C
    $\frac{-1}{2 \sqrt{x(1+x)}}$
  • इनमें से कोई नहीं

Answer

Correct option: D.
इनमें से कोई नहीं
D

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