Question

Daca log in baza 3 din 2=a sa se arate ca lob in baza 3 din 216=3(1+a).

Answer 1

$a= log_{3}2$
$3a=3* log_{3}2= log_{3}2^3= log_{3}8$
$3+3a= log_{3}27 + log_{3}8$
$3(1+a)= log_{3}(8*27)= log_{3}216$