Question

1- Dados os conjuntos:

A= {1,2,3,4} B={1,7,9} C= {3,5,8} D= Ø

a) A∩B
b)AUC
c)A∩C
d)AUD

Answer 1

a) A∩B= {1} 

b)AUC = {1,2,3,4,5,8} 

c)A∩C = {3} 

d)AUD = {1,2,3,4}