જો $\log 2=x, \log 3=y$ અને $\log 7=z$ હોય,તો $\log (4 \sqrt[3]{63})$ ની કિંમત શોધો.

  • A
    $2 x+\frac{2}{3} y-\frac{1}{3} z$
  • B
    $2 x+\frac{2}{3} y+\frac{1}{3} z$
  • C
    $2 x-\frac{2}{3} y+\frac{1}{3} z$
  • D
    $-2 x+\frac{2}{3} y+\frac{1}{3} z$

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

જો $a^{x} = b^{y}$ હોય,તો

જો $\log (x+y) = \log \left( \frac{3x - 3y}{2} \right)$ હોય,તો $\log x - \log y =$

$\frac{\log _{9} 11}{\log _{5} 13}-\frac{\log _{3} 11}{\log _{\sqrt{5}} 13}=$

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