Question

Dados os conjuntos A = {1, 2, 3, 4, 5} B = {2, 3, 4, 5, 6, 7, 8, 9, 10}, enumere os conjuntos

a) A ∪ B
b) A ∩ B
c) A - B
d) B - A

Answer 1

a) 1,2,3,4,5,6,7,8,9,10
b)2,3,4,5
c)1,2,3,4,5
d)2,3,4,5,6,7,8,9,10

Answer 2

a) A ∪ B = {1,2,3,4,5,6,7,8}
b) A ∩ B ={2,3,4,5}
c) A - B  ={1}
d) B - A  ={6,7,8}