MCQ
यदि $y=\log _{e} x$ तो $\frac{d^{2} y}{d x^{2}}$ का मान है-
  • A
    $\frac{1}{x}$
  • B
    $\frac{1}{x^{2}}$
  • C
    $-\frac{1}{x^{2}}$
  • D
    $-\frac{1}{x}$

Answer

self

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