Question

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

a)A - B
b) B- A
c) ( A ∪ C) - B
D) A ∩ C
E) A ∪ B ∪ C
F) A ∩ B ∩ C

Answer 1

a) A - B = {1,2}

b) B - A = {5,6,7}

c) {1,2,3,4,5,7} - {3,4,5,6,7} = {1,2}

d) {2,4}

e) {1,2,3,4,5,6,7}

f) {4}