જો ${\log _4}5 = a$ અને ${\log _5}6 = b$ હોય,તો ${\log _3}2$ ની કિંમત શોધો.

  • A
    $\frac{1}{{2a + 1}}$
  • B
    $\frac{1}{{2ab + 1}}$
  • C
    $\frac{1}{{2ab - 1}}$
  • D
    $\frac{1}{ab}$

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જો $\log_{10} 2 = 0.30103$ અને $\log_{10} 3 = 0.47712$ હોય,તો $3^{12} \times 2^8$ માં અંકોની સંખ્યા કેટલી થાય?

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જો ${\log _5}a \cdot {\log _a}x = 2$ હોય,તો $x$ ની કિંમત શું થશે?

$\log_{\sqrt{3}} x + \log_{\sqrt[4]{3}} x + \log_{\sqrt[6]{3}} x + \dots + \log_{\sqrt[16]{3}} x = 36$ નો ઉકેલ શોધો.

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