a)A ∪ B = {−1; 1; 2; 3; 4}A ∩ B = {2; 3}A \ B = {−1; 4}
б)A ∪ B = [0; 4)A ∩ B = (1; 3]A \ B = [0; 1) ∪ {3}
a)
A ∪ B = {−1; 1; 2; 3; 4}
A ∩ B = {2; 3}
A \ B = {−1; 4}
б)
A ∪ B = [0; 4)
A ∩ B = (1; 3]
A \ B = [0; 1) ∪ {3}