જો $\log _{30} 3=a$ અને $\log _{30} 5=b$ હોય,તો $\log _{30} 8$ ની કિંમત શોધો.

  • A
    $3(1-a-b)$
  • B
    $a-b+1$
  • C
    $1-a-b$
  • D
    $3(a-b+1)$

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

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

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

$\log _{2} 16$ ની કિંમત શોધો.

જો $\log 3 = 0.477$ અને $(1000)^{x} = 3$ હોય,તો $x$ ની કિંમત શોધો.

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