log1/3(log2((х-1)/(х-2)))>-1

ОДЗ(x-1)/(x-2)>0x=1 U x=2x∈(-∞;1) U (2;∞)log(2)[(x-1)/(x-2)]<3(x-1)/(x-2)<8(x-1)/(x-2)-8<0(x-1-8x+16)/(x-2)<0(15-7x)/(x-2)<0x=15/7  x=22<x<15/7x∈(2;2 1/7)