How do you evaluate $log_5 1$ ?

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Answer 1 · 2016-08-11T02:32:37

I got: $log_5(1)=0$

You use the definition of log trying to find a number $x$ such that $5^x=1$
this number is zero, i.e.:
$log_5(1)=0$
in fact $5^0=1$

How do you evaluate log_5 1log_5 1?