જો $y = \log_y x$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

  • A
    $\frac{1}{x \log y}$
  • B
    $\frac{\log y}{x(1 + \log y)}$
  • C
    $\frac{1}{x(1 + \log y)}$
  • D
    $\frac{1}{1 + \log y}$

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

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 $y = x^{x^{x^{\dots\infty}}}$,તો $\frac{dy}{dx} = $

નીચેની યાદી-$I$ ને યાદી-$II$ સાથે $\frac{dy}{dx}$ માટે જોડો:
યાદી-$I$યાદી-$II$
$A. x^2 + y^2 + 3xy = 7$$I. \frac{x^2 + ay}{ax + y^2}$
$B. x^{2/3} + y^{2/3} = a^{2/3}$$II. \frac{-(2x + 3y)}{3x + 2y}$
$C. x^3 + y^3 = 3axy$$III. -(\frac{y}{x})^{1/3}$
$D. xy(x - y) = 2$$IV. \frac{x^2 - ay}{ax - y^2}$
$V. \frac{y(2x - y)}{x(x - 2y)}$

ધારો કે $y = \frac{1}{1 + x + \ln x}$. તો,

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