Question

Sendo A=[1;7] e B=[3;9[, determine os conjuntos abaixo:
a) A ∩ B
b) A U B 

Answer 1

A = {1,2,3,4,5,6,7}
B = { 3,4,5,6,7,8}
a) AПB = {3,4,5,6,7{
b) AUB = {1,2,3,4,5,6,7,8}