यदि $a^{x} = b^{y}$ है,तो

  • A
    $\log \frac{a}{b} = \frac{x}{y}$
  • B
    $\frac{\log a}{\log b} = \frac{x}{y}$
  • C
    $\frac{\log a}{\log b} = \frac{y}{x}$
  • D
    इनमें से कोई नहीं

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