Question

Помогите решить плиз Найдите A ∪ B, B ∩ C, A\ B, B\ C, ( A ∪ B) ∩ C, если: A= N, B= {-1, 0, 1, 2, 3 }, C= N.

Answer 1

A ∪ B = A = {-1;0;1;2;3;4...}
B ∩ C = {1,2,3}
A\ B = {4,5,6,7,8.....}
B\ C = {-1;0}
( A ∪ B) ∩ C = A ∩ C = N