જો $\frac{x}{x-y} = \log \left(\frac{a}{x-y}\right)$ હોય,તો $\frac{dy}{dx} =$

  • A
    $2 + \frac{1}{y}$
  • B
    $\frac{2y - x}{y}$
  • C
    $\frac{2x - y}{x}$
  • D
    $\frac{x - 2y}{y}$

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જો ${x^2}{e^y} + 2xy{e^x} + 13 = 0$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શું થાય?

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 $f(1)=3$ અને $f^{\prime}(1)=2$ હોય,તો $x=0$ આગળ $\frac{d}{d x}\left\{\log \left[f\left(e^x+2 x\right)\right]\right\}$ ની કિંમત શોધો.

જો $(a+\sqrt{2} b \cos x)(a-\sqrt{2} b \cos y)=a^2-b^2$ જ્યાં $a>b>0$,તો $\left(\frac{\pi}{4}, \frac{\pi}{4}\right)$ બિંદુએ,$\frac{dy}{dx}=$

જો $x{e^{xy}} = y + {\sin ^2}x$ હોય,તો $x = 0$ આગળ $\frac{dy}{dx} = $

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