Question

sendo A={1,2,3,4} B={2,3,4,5} é C={6,7,8} determine: AuB, AuC, BuC, AnB, AnC, BnC

Answer 1

AuB= (1,2,3,4,5)

AuC= (1,2,3,4,6,7,8)

BuC= (2,3,4,5,6,7,8)

AnB= (2,3,4)

AnC= (∅)

BnC= (∅)