Question

Iog1/3x+Iog3x+Iog9x< - 1

Answer 1

log(1/3x * 3x * 9x) < -1

log(9x) < -1 , x>0

9x < 10^(-1)

9x < 1/10

x < 1/90

Ответ: x = (0; 1/90)