Question

3log(1/3) log(3)x + log(3)log(3)x = -2 ДАМ 30 БАЛЛОВ, РЕШИТЕ!!!

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=3^3=27