જો $\log _{10}\left[98+\sqrt{x^{2}-12 x+36}\right]=2$ હોય,તો $x=$

  • A
    $4$
  • B
    $8$
  • C
    $12$
  • D
    $4, 8$

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જો $\frac{1}{\log _{x} 10}=\frac{2}{\log _{a} 10}-2$ હોય,તો $x=$

$x>0$ માટે,જો $y=\frac{10^{\log _{10} x}}{x^{2}}$ અને $x=y^{a}$ હોય,તો $a=$

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

જો $0 < a < 1$,$0 < x < 1$ અને $x < a$ હોય,તો $\log_{a} x$ શું થાય?

જો $a^{x} = b^{y}$ હોય,તો

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