જો $y = \sqrt{x + \sqrt{y + \sqrt{x + \sqrt{y + \dots \infty}}}}$,હોય તો $\frac{dy}{dx} = $

  • A
    $\frac{y^2 - x}{2y^3 - 2xy - 1}$
  • B
    $\frac{y^2 - x}{2y^3 - 2xy + 1}$
  • C
    $\frac{y^2 - x}{2y^3 + 2xy - 1}$
  • D
    $\frac{y^2 + x}{2y^3 - 2xy - 1}$

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વક્ર $C : (x^{2}+y^{2}-3)+(x^{2}-y^{2}-1)^{5}=0$ માટે,$C$ પરના બિંદુ $(\alpha, \alpha)$,જ્યાં $\alpha > 0$,પર $3y^{\prime}-y^{3}y^{\prime\prime}$ ની કિંમત કેટલી થાય?

જો ${x^y} = {y^x}$ હોય,તો $\frac{dy}{dx} = $

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જો $\cos ^{-1}\left(\frac{x^2-y^2}{x^2+y^2}\right)=k$ (અચળ) હોય, તો $\frac{d y}{d x}$ ની કિંમત શોધો.

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