જો $(4.2)^{x} = (0.42)^{y} = 100$ હોય,તો $\frac{1}{x} - \frac{1}{y} = $

  • A
    $1$
  • B
    $2$
  • C
    $1/2$
  • D
    $-1$

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Similar Questions

$\frac{\log 49 \sqrt{7} + \log 25 \sqrt{5} - \log 4 \sqrt{2}}{\log 17.5} = $

જો $\log \left(\frac{x+y}{5}\right) = \frac{1}{2}(\log x + \log y)$ હોય,તો $\frac{x}{y} + \frac{y}{x} = $

જો $a^{x}=b^{y}=c^{z}=d^{w}$ હોય,તો $\log _{a}(b c d)=$

જો $\log 3 = 0.477$ અને $(1000)^{x} = 3$ હોય,તો $x$ ની કિંમત શોધો.

$\log _{5} 2$ એ શું છે?

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