જો $x \sqrt{1+y}+y \sqrt{1+x}=0$ હોય,તો $\frac{d y}{d x}$ બરાબર શું થાય?

  • A
    $\frac{1}{(1+x)^2}$
  • B
    $-\frac{1}{(1+x)^2}$
  • C
    $\frac{1}{1+x^2}$
  • D
    $\frac{1}{1-x^2}$

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જો $x \cdot \log _{e}(\log _{e} x)-x^2+y^2=4$ અને $y>0$ હોય,તો $x=e$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $\sqrt{y + x} + \sqrt{y - x} = c$ હોય, તો $\frac{dy}{dx} = f(x) - \sqrt{[f(x)]^2 - 1}$ છે. $f(x)$ શોધો.

જો $2 x^2-3 x y+y^2+x+2 y-8=0$ હોય,તો $\frac{d y}{d x}$ બરાબર શું થાય?

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