यदि $y=e^{4x} \cos 5x$ है,तो $x=0$ पर $\frac{d^{2}y}{dx^{2}}$ का मान ज्ञात कीजिए।

  • A
    $-9$
  • B
    $9$
  • C
    $8$
  • D
    $-8$

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Similar Questions

यदि $y=3 e^{2 x}+2 e^{3 x}$ है,तो सिद्ध कीजिए कि $\frac{d^{2} y}{d x^{2}}-5 \frac{d y}{d x}+6 y=0$.

यदि $y = \tan^{-1} \sqrt{x^{2}-1}$ है,तो अनुपात $\frac{d^{2} y}{dx^{2}} : \frac{dy}{dx}$ है

$y = a \cos x + (b + 2x) \sin x \Rightarrow y^{\prime \prime} + y = $

यदि $y=\frac{\log _e x}{x}$ और $z=\log _e x$ है, तो $\frac{d^2 y}{d z^2}+\frac{d y}{d z}$ का मान ज्ञात कीजिए।

यदि $y=ax^{n+1}+b x^{-n}$ है,तो $x^2 \frac{d^2 y}{d x^2}=$

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