Question

01-dados os conjuntosA={1,2,5},B={1,3}C={5,6,7,8}e D={7,8,9}determine
A) AUB
B) AUC
C) (AUB) UC

Answer 1

A={1,2,3,5}
B={1,2,5,6,7,8}
C={1,2,3,5,6,7,8}