Question

Determinați multimea A={x apartine de Z |x-1| <3}.Urgent!!​

Answer 1

Răspuns:

Explicație pas cu pas:

|x-1| <3

- 3 < x - 1 < 3

-2 < x < 4

A = {-1, 0, 1, 2, 3}

Answer 2

|x-1|<3 => -3 <x-1 <3 => -2 <x <4

=> x ={-1,0,1,2,3}