Question

Dados os conjuntos A= {-1,0,1,2,} e B = {2,3} determine :

a) AXB;

b)BXA;

c)A²

d)B²

 

Answer 1

a) A X B = (-1,2),(-1,3),(0,2),(03),(1,2),(1,3),(2,…
b) B X A = (2,-1),(2,0),(2,1,),(2,2),(3,-1),(3,0),(…
c) A X A = A²=(-1,-1),(-1,0),(-1,1),(-1,2),(0,-1),(…
d) B X B = B²=(2,2),(2,3),(3,2),(3,3)