Question

Seja A = {-1, 0, 2} e B = {2, 3}, calcular:

1= A ´ B

2= B ´ A

3= A 2

4= B2​

Answer 1

Resposta:

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)