How do you evaluate $log_(1/9) (1/81)$ ?

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Answer 1 · 2016-11-11T07:43:43

$log_(1/9)(1/81)=2$

As $(1/9)^2=1/81$ ,

by the definition of logarithm that $if a^b=m$ , then $log_a m=b$ , we get

$log_(1/9)(1/81)=2$

How do you evaluate log_(1/9) (1/81)log_(1/9) (1/81)?