यदि $y = \cos^{2} \frac{3x}{2} - \sin^{2} \frac{3x}{2}$ है,तो $\frac{d^{2}y}{dx^{2}}$ क्या है?

  • A
    $-3 \sqrt{1-y^{2}}$
  • B
    $9y$
  • C
    $-9y$
  • D
    $3 \sqrt{1-y^{2}}$

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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 $x^2 + y^2 + \sin y = 4$ है,तो बिंदु $(-2, 0)$ पर $\frac{d^2y}{dx^2}$ का मान ज्ञात कीजिए।

यदि $y = at^2 + 2bt + c$ और $t = ax^2 + 2bx + c$ है,तो $\frac{d^3y}{dx^3}$ का मान ज्ञात कीजिए।

मान लीजिए $y = \frac{x^{2}}{(x+1)^{2}(x+2)}$. तो $\frac{d^{2} y}{dx^{2}}$ है

यदि $y=500 e^{7 x}+600 e^{-7 x}$ है,तो दर्शाइए कि $\frac{d^{2} y}{d x^{2}}=49 y$.

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