Question

Log (2)*36-log(2)*144 =

Answer 1

По свойствам логарифмов:
$log_{a}b- log_{a}c= log_{a}\frac{b}{c} \\ log_{2}36- log_{2}144= log_{2} \frac{36}{144} \\ log_{2} \frac{36}{144} = log_{2} \frac{1}{4} = -2$