જો $a^{x} = b^{y}$ હોય,તો

  • 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
    આમાંથી કોઈ નહીં

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$\frac{3+\log _{10} 343}{2+\frac{1}{2} \log _{10} \left(\frac{49}{4}\right)+\frac{1}{3} \log _{10} \left(\frac{1}{125}\right)}=$

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

જો $\log _{8} p=2.5$ અને $\log _{2} q=5$ હોય,તો $q$ ના પદમાં $p$ શું થાય?

જો $\log _{30} 3=a$ અને $\log _{30} 5=b$ હોય,તો $\log _{30} 8$ ની કિંમત શોધો.

જો $x = \log_{4/3}(1/2)$ અને $y = \log_{1/2}(1/3)$ હોય,તો

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