Question

sendo A = {2,4,6} ,B {4,5,8} e C {1,2,3} determine

A X B:
B X C:
C X A:
B X A:

Answer 1

AB = {2,4,5,6,8}
BC = {1,2,3,4,5,8}
CA = {1,2,3,4,6}
BA = {2,4,5,6,8}