Question

sendo A= {2,3}, B= {0,1,3,5,7}, quantos elementos tem AXB?

Answer 1

A = (2.3). B = (0.1.3.5.7) AXB = 2+5 = 10 AXB = (2,0).(2.1).(2.3).(2.5).(2.7).(3.0).(3.1).(3.5).(3.7)