Question

Помогите с логарифмами:) Даю 20 баллов!

Answer 1

3log(1/3) log(3)x + log(3)log(3)x = -2 

ОДЗ x>0 log3 x >0 x>1

3log(3^-1) log(3)x + log(3)log(3)x = -2

-3log(3) log(3)x + log(3)log(3)x = -2

-2 log(3)log(3)x = -2

log(3)log(3)x = 1

log(3) x = 3

x=3³=27