Question

sendo A={2,3,4,5,9}, B={2,3,7,8,10} e C={2,3,4}, faça o diagrama das uniões a seguir.

a) aUb


b)aUc

Answer 1

AUB= {2,3,4,5,7,8,9,10}
AUC= {2,3,4,5,9}