જો $\log _{10} 7 = a$ હોય,તો $\log _{10} \left( \frac{1}{70} \right)$ ની કિંમત કેટલી થાય?

  • A
    $-(1+a)$
  • B
    $(1+a)^{-1}$
  • C
    $\frac{a}{10}$
  • D
    $\frac{1}{10a}$

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Similar Questions

જો $a^{x} = b^{y}$ હોય,તો

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

જો $\log _{a} b=\log _{b} c=\log _{c} a$ હોય,તો:

$7 \log \frac{16}{15} + 5 \log \frac{25}{24} + 3 \log \frac{81}{80} =$

જો $\log _{10} 2 = 0.3010$ અને $\log _{10} 7 = 0.8451$ હોય,તો $\log _{10} 2.8$ ની કિંમત શોધો.

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