જો $ax^2+2hxy+by^2=3$ હોય,તો $\frac{d^2y}{dx^2}=$

  • A
    $\frac{(hx^2+by+ax)}{(ax+hy)^2}$
  • B
    $\frac{(axy+hx^2+byx)}{(ax+by)^2}$
  • C
    $\frac{3(h^2-ab)}{(hx+by)^3}$
  • D
    $\frac{(ab+h)^2}{(ax+hy)^2}[h(x^2+y^2)+xy(a+b)]$

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જો ${x^2} + {y^2} = t - \frac{1}{t}$ અને ${x^4} + {y^4} = {t^2} + \frac{1}{{{t^2}}}$ હોય,તો $\frac{{dy}}{{dx}}$ ની કિંમત શોધો.

જો $x^{2}+y^{2}=t+\frac{1}{t}$ અને $x^{4}+y^{4}=t^{2}+\frac{1}{t^{2}}$ હોય,તો $\frac{d y}{d x}$ શોધો.

જો ${x^y} \cdot {y^x} = 1$ હોય,તો ${{dy} \over {dx}} = $

જો $x^{x}=y^{y}$ હોય,તો $\frac{d y}{d x}$ શું થાય?

$e^{x}+e^{y}=e^{x+y}$ નું વિકલિત શોધો.

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