यदि $\log \left(\frac{x+y}{5}\right) = \frac{1}{2}(\log x + \log y)$ है,तो $\frac{x}{y} + \frac{y}{x} = $

  • A
    $20$
  • B
    $23$
  • C
    $22$
  • D
    $21$

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Similar Questions

यदि $a^{2}+b^{2}=c^{2}$ है,तो $\frac{1}{\log _{c+a} b}+\frac{1}{\log _{c-a} b}=$

यदि $\log _{10} 2986 = 3.4751$ है,तो $\log _{10} 0.02986 =$

$x^{\log y - \log z} \cdot y^{\log z - \log x} \cdot z^{\log x - \log y} = ?$

यदि $\frac{\log _{2} a}{2}=\frac{\log _{3} b}{3}=\frac{\log _{4} c}{4}$ और $a^{1 / 2} \cdot b^{1 / 3} \cdot c^{1 / 4}=24$ है,तो:

$\log _{5}\left(1+\frac{1}{5}\right)+\log _{5}\left(1+\frac{1}{6}\right)+\log _{5}\left(1+\frac{1}{7}\right)+\cdots+\log _{5} \left(1+\frac{1}{624}\right)$

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