यदि $y = (x + \sqrt{1 + x^2})^n$ है,तो $(1 + x^2)\frac{d^2y}{dx^2} + x\frac{dy}{dx}$ का मान क्या होगा?

  • A
    $n^2y$
  • B
    $-n^2y$
  • C
    $-y$
  • D
    $2x^2y$

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$n \in N$ के लिए,यदि $y = a x^{n+1} + b x^{-n}$ है,तो $x^2 \frac{d^2 y}{d x^2} = $

यदि $y^2 = p(x)$ घात $3$ का एक बहुपद है,तो $2\frac{d}{dx}\left( y^3 \frac{d^2y}{dx^2} \right)$ किसके बराबर है?

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यदि $y=(\tan^{-1} x)^{2}$ है,तो दर्शाइए कि $(x^{2}+1)^{2} y_{2}+2 x(x^{2}+1) y_{1}=2$ है।

यदि $y = \frac{(\sin^{-1} x)^2}{2}$ है,तो $(1-x^2) y_2 - x y_1 = $

फलन $\tan^{-1} x$ का द्वितीय कोटि का अवकलज ज्ञात कीजिए।

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