જો $\frac{\log x}{2} = \frac{\log y}{3} = \frac{\log z}{5}$ હોય,તો $x$ ના પદમાં $yz$ શું થાય?

  • A
    $x$
  • B
    $x^2$
  • C
    $x^3$
  • D
    $x^4$

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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 $x^{a-b} \cdot y^{b-c} \cdot z^{c-a}=$

$5^{\sqrt{\log _{5} 7}} - 7^{\sqrt{\log _{7} 5}}$

જો $3^{x-2}=5$ અને $\log_{10} 2=0.30103, \log_{10} 3=0.4771$ હોય,તો $x=$

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જો $\frac{\log x}{l+m-2n} = \frac{\log y}{m+n-2l} = \frac{\log z}{n+l-2m}$ હોય,તો $x^2 y^2 z^2$ ની કિંમત શોધો.

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

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