Question

срочно!!!Помогите пожалуйста...

Answer 1

$left { {{|x-1| leq 2} atop {|x-4| geq 5}} right. \ \ |x-1| leq 2 \ \ x-1 leq 2 \ x leq 3 \ \ -x+1 leq 2 \ -x leq 1 \ x geq -1$

x∈[-1;3]

$|x-4| geq 5 \ \ x-4 geq 5 \ x geq 9 \ \ -x+4 geq 5 \ -x geq 1 \ x leq -1$

x∈(-∞;-1]U[9;+∞)

Ответ: [-1]