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

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $-1$

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જો $y$ એ $x$ નું વિધેય હોય અને $\log(x+y)=2xy$ હોય,તો $x=0$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $2x^2 + 3xy - y^2 + 4x - 5y + 6 = 0$ હોય, તો $(x, y) = (1, -2)$ આગળ $\frac{dy}{dx}$ ની કિંમત શોધો.

જો $2t = v^2$ હોય,તો $\frac{dv}{dt}$ ની કિંમત શું થાય?

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

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