यदि $x=f(\theta)$ और $y=g(\theta)$ है,तो $\frac{d^2 y}{d x^2}=$

  • A
    $\frac{g^{\prime \prime}(\theta)}{f^{\prime}(\theta)}$
  • B
    $\frac{f^{\prime \prime}(\theta)}{x(\theta)}$
  • C
    $\frac{f^{\prime}(\theta) g^{\prime \prime}(\theta)-g^{\prime}(\theta) f^{\prime \prime}(\theta)}{\left(f^{\prime}(\theta)\right)^3}$
  • D
    $\frac{g^{\prime}(\theta) f^{\prime \prime}(\theta)-g^{\prime \prime}(\theta) f^{\prime}(\theta)}{\left(g^{\prime}(\theta)\right)^3}$

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