$xy = e^{x-y}$ માટે,$\frac{dy}{dx} =$ . . . . . .

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

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જો $\cos ^{-1}\left(\frac{y}{b}\right)=n \log \left(\frac{x}{n}\right)$ હોય,તો

જો $x^{2}+y^{2}=1$ હોય,તો $\frac{d^{2} x}{d y^{2}}=$

જો $xy \neq 0, x+y \neq 0$ અને $x^m y^n=(x+y)^{m+n}$,જ્યાં $m, n \notin N$ હોય,તો $\frac{dy}{dx}$ ની કિંમત શોધો.

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

જો $\log _{10}\left(\frac{x^{3}-y^{3}}{x^{3}+y^{3}}\right)=2$ હોય,તો $\frac{dx}{dy} = $

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