જો $y = \frac{A}{x} + B x^2$ હોય, તો $x^2 \frac{d^2 y}{d x^2} =$

  • A
    $2 y$
  • B
    $y^2$
  • C
    $y^3$
  • D
    $y^4$

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ચલ $x$ અને $y$ સમીકરણ $x = \int\limits_0^y \frac{dt}{\sqrt{1 + t^2}}$ દ્વારા સંબંધિત છે. $\frac{d^2y}{dx^2}$ નું મૂલ્ય કેટલું થાય?

જો $y = \sin x + e^x$ હોય,તો $\frac{d^2x}{dy^2} = $

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