ધારો કે $g(x) \neq 0, g^{\prime}(x) \neq 0, f(x) \neq 0, f^{\prime}(x) \neq 0$. જો $F(x)=f(x) g(x)$, $G(x)=f^{\prime}(x) g^{\prime}(x)$, $F^{\prime}(x)=G(x) H(x)$ અને $F^{\prime}(x)=F(x) K(x)$ હોય, તો $H(x)+K(x)=$

  • A
    $\frac{f^{\prime}}{f}+\frac{f}{f^{\prime}}+\frac{g}{g^{\prime}}$
  • B
    $\frac{f^{\prime}}{f}+\frac{g}{g^{\prime}}+\frac{g^{\prime}}{g}$
  • C
    $\frac{f^{\prime} g^{\prime}+f g}{f f^{\prime} g g^{\prime}}$
  • D
    $\frac{f^{\prime}}{f}+\frac{g}{g^{\prime}}+\frac{f}{f^{\prime}}+\frac{g^{\prime}}{g}$

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વિકલન શોધો: $\frac{d}{dx}\{ \cos(\sin(x^2)) \}$

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