Question 421019
let x={{{log(5,4)}}}
Then we obtain
{{{5^x=4}}}
{{{log(10,5^x)}}}={{{log(10,4)}}}
{{{x*log(5)}}}={{{log(4)}}}
{{{x=log(4)/log(5)}}}
{{{log(5,4)=log(4)/log(5)}}}
The same way
{{{log(9,37)=log(37)/log(9)}}}
Generally
{{{log(a,b)}}}={{{logb/loga}}}