જો $x^3 + y^3 = 6$ અને $\frac{d^2y}{dx^2} \cdot \frac{d^2x}{dy^2} = \frac{m}{(xy)^n}$ હોય, જ્યાં $m, n \in R$, તો $\frac{m}{n}$ ની કિંમત શોધો.

  • A
    $36$
  • B
    $9$
  • C
    $6$
  • D
    $4$

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જો $y = \frac{\alpha x + \beta}{\gamma x + \delta}$ હોય,તો $2 y_1 y_3 =$

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$\begin{aligned} & y=\sin \left(\log \left(x^2+2 x+1\right)\right) \\ & \Rightarrow(x+1)^2 \frac{d^2 y}{d x^2}+(x+1) \frac{d y}{d x}= \end{aligned}$

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