Question

log2log3x^2=2 Помогите

Answer 1

$log_{2}log_{3}x^2=2\ log_{2}log_{3}x^2=log_{2}4\ log_{3}x^2=4\ log_{3}x^2=log_{3}81\ x^2=81\ x=9$

Учитывая ОДЗ х>0