Question

Sejam A= {1,2,3,4} B= {3,4,5} e C= {4,5,6} determine:
a) AUB=
b) AUC=
c) BUC=
d) A∩B=
e) A∩C=
f) B∩C=
g) A∩B∩C=

Answer 1

 A= {1,2,3,4} B= {3,4,5} e C= {4,5,6}
a) AUB= {1,2,3,4,5}
b) AUC= {1,2,3,4,5,6}
c) BUC= {3,4,5,6}
d) A∩B= {3,4}
e) A∩C= {4}
f) B∩C= {4,5}
g) A∩B∩C={4}