Question

log de baza a din 3a patrat -log de baza a din 9a+log de baza a patrat din 2a

Answer 1

$log_{a}3a^2- log_{a}9a+ log_{a^2}2a= log_{a} \frac{3a^2}{9a}+ \frac{1}{2} log_{a}2a= \\ = log_{a} \frac{a}{3}+ log_{a} \sqrt{2a} = log_{a} \frac{a \sqrt{2a} }{3}$