Question

Срочно надо !!!!!!! log1/3 (х-1) > -2

Answer 1

ОДЗ    х-1>0; x>1;
log1/3 (х-1) > -2
log1/3 (х-1) > -2log1/3   (1/3)
x-1<1/3^-2
x-1<9
x<10    x∈(1;10)