Question

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

Answer 1

Resposta:

a) B - A = {1, 2, 9}

b) C - A = {5, 7}

c) (A U C) - B = {3, 4, 5, 6, 7, 8} - {1, 2, 3, 4, 6, 8, 9} = {5, 7}

d) (B - C) U (C - B) = {1, 2, 3, 9} U {5, 7} = {1, 2, 3, 5, 7, 9}