यदि $y = x \log \left( \frac{x}{a + bx} \right)$ है,तो $x^3 \frac{d^2y}{dx^2} = $

  • A
    $x \frac{dy}{dx} - y$
  • B
    $\left( x \frac{dy}{dx} - y \right)^2$
  • C
    $y \frac{dy}{dx} - x$
  • D
    $\left( y \frac{dy}{dx} - x \right)^2$

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

यदि $x^x y^y=e^e$ है,तो $\left(\frac{d^2 y}{d x^2}\right)_{(e, e)}=$

यदि $f(x) = \sin x \cdot \sin 2x \cdot \sin 3x$ और $f''(x) = a(\sin bx) + c(\sin dx) + e(\sin kx)$ है,तो $(a+c+e) - (b+d+k)$ का मान ज्ञात कीजिए।

यदि $y = x^2 e^{mx}$,जहाँ $m$ एक स्थिरांक है,तो $\frac{d^3y}{dx^3} = $

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