Question

Dados os conjuntos A = {2, 5, 6, 7, 8, 9} e B={1, 2, 3, 4, 5, 6, 7} e calcule:

a) A U B

b) A ∩ B

Answer 1

a) { 1,2,3,4,5,6,7,8,9}
b) { 2,5,6,7}

Answer 2

A) A∪B ={1,2,3,4,5,6,7,8,9}

B) A∩B ={2,5,6,7}