Question

log_(x-1)(x^2-10x+25)<=0

Answer 1

log_(x-1)(x-5)²=2log_(x-1)(x-5)≤0
1)0<x<1
x-5≥1⇒x≥6
нет решения
2)х>1
x-5≤1⇒x≤6
x∈(1;6]