Question

Dados
A = { 2,3,4,5,6 }
B = { 4,5,7,8 }
C = { 3,5 }

DETERMINE: AUB
AUC
AUBU

AUC=
AUB=
AUBUC=
BUC=

Answer 1

AUC= {2,3,4,5,6}
AUB= {2,3,4,5,6,7,8}
AUBUC= {5}
BUC= {3,4,5,7,8}