Question

questão 01- seja A={-1, 0,2} e B ={2, 3}, calcular

a)A x B

b)B x A​

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),(...