यदि $\log (x-y) - \log 5 - \frac{1}{2} \log x - \frac{1}{2} \log y = 0$ है,तो $\frac{x}{y} + \frac{y}{x}$ का मान ज्ञात कीजिए।

  • A
    $25$
  • B
    $26$
  • C
    $27$
  • D
    $28$

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Similar Questions

यदि $\frac{1}{\log _{x} 10}=\frac{2}{\log _{a} 10}-2$ है,तो $x=$

यदि $\log _{10} 7 = a$ है,तो $\log _{10} \left( \frac{1}{70} \right)$ का मान क्या होगा?

यदि $\log _{30} 3=a$ और $\log _{30} 5=b$ है,तो $\log _{30} 8$ का मान ज्ञात कीजिए।

$\frac{\log \sqrt{8}}{\log 8}$ का मान क्या है?

$5^{\sqrt{\log _{5} 7}} - 7^{\sqrt{\log _{7} 5}}$

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