જો $\log x : 3 = \log y : 4 = \log z : 5$ હોય,તો $zx =$

  • A
    $2y$
  • B
    $y^2$
  • C
    $8y$
  • D
    $4y$

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જો $\frac{\log x}{a^{2}+a b+b^{2}}=\frac{\log y}{b^{2}+b c+c^{2}}=\frac{\log z}{c^{2}+c a+a^{2}}$ હોય,તો $x^{a-b} \cdot y^{b-c} \cdot z^{c-a}=$

જો $\log _{2}\left(3^{2 x-2}+7\right)=2+\log _{2}\left(3^{x-1}+1\right)$ હોય,તો $x=$

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

જો $\log _{10} 50+\log _{10} 20=x$ હોય,તો $x$ ની કિંમત કેટલી થાય?

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