यदि $x = \sqrt{10^{\sin^{-1} t}}$ और $y = \sqrt{10^{\cos^{-1} t}}$ है,तो $\frac{dy}{dx} = $ . . . . . .

  • A
    $0$
  • B
    $\frac{y}{x}$
  • C
    $-\frac{y}{x}$
  • D
    $-\frac{x}{y}$

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