જો $\log _{a}(a b)=x$ હોય,તો $\log _{b}(a b)$ શું થાય?

  • A
    $\frac{1}{x}$
  • B
    $\frac{x}{x+1}$
  • C
    $\frac{x}{1-x}$
  • D
    $\frac{x}{x-1}$

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જો $\frac{\log x}{b-c} = \frac{\log y}{c-a} = \frac{\log z}{a-b}$ હોય,તો $xyz = x^a \cdot y^b \cdot z^c = x^{b+c} \cdot y^{c+a} \cdot z^{a+b} = $

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જો $\log _{10} 7 = a$ હોય,તો $\log _{10} \left( \frac{1}{70} \right)$ ની કિંમત કેટલી થાય?

જો $\log _{10} 5 + \log _{10}(5x + 1) = \log _{10}(x + 5) + 1$ હોય,તો $x$ ની કિંમત શોધો.

જો $\log _{10} 87.5 = 1.9421$ હોય,તો $(875)^{10}$ માં અંકોની સંખ્યા કેટલી થાય?

$\log _{5} 2$ એ શું છે?

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