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

  • A
    $-e^{y-x}$
  • B
    $e^{x-y}$
  • C
    $-e^{x-y}$
  • D
    $e^{y-x}$

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જો $y = \sqrt{(1 - x)(1 + x)}$ હોય,તો

જો $\tan y = \frac{x \sin \alpha}{1-x \cos \alpha}$ અને $\frac{dy}{dx} = \frac{m}{x^2+2nx+1}$ હોય,તો $m^2+n^2$ ની કિંમત શોધો.

જો $y$ એ $x$ નું વિધેય હોય અને $\log (x+y)=2xy$ હોય,તો $y^{\prime}(0)$ નું મૂલ્ય શોધો.

જો $a f(x)+b f\left(\frac{1}{x}\right)=x+1$, અને $\frac{d}{d x}\left(x^2 f(x)\right)=2 x^2+2 x+\frac{1}{3}$ હોય, તો $a-b=$

બે વક્રો $x^{3}-3xy^{2}+2=0$ અને $3x^{2}y-y^{3}=2$:

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