સમીકરણ $ax + by^2 = \cos y$ માટે $\frac{dy}{dx}$ શોધો.

  • A
    $\frac{-a}{2by + \sin y}$
  • B
    $\frac{a}{2by + \sin y}$
  • C
    $\frac{-a}{2by - \sin y}$
  • D
    $\frac{a}{2by - \sin y}$

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

જો $x > 0$ અને $x^y = e^{x-y}$ હોય, તો $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $\sqrt{1-x^6}+\sqrt{1-y^6}=a(x^3-y^3)$ હોય,તો $y^2 \frac{dy}{dx}=$

જો $f(x)$ એ $R$ પર વિકલનીય હોય,$f(x) f^{\prime}(-x) - f(-x) f^{\prime}(x) = 0$,$f(0) = 3$ અને $f(3) = 9$ હોય,તો $(1 + f(-3))^3 + 1 = $

જો $2x^y + 3y^x = 20$ હોય,તો $(2, 2)$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

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