Question

Seja A = { -1, 0, 2 } e B = { 2, 3 }, Calcular:
a) A x B =
b) B x A =
c) A x A ou A² =
d) B x B ou B² =

Answer 1

Resposta:

Explicação passo-a-passo:

.

A = { - 1, 0, 2 } ....B = { 2, 3 }

.

a) A x B = { (- 1, 2), (- 1, 3), (0, 2),

(0, 3), (2, 2), (2, 3) }

.

b) B x A = { (2, - 1), (2, 0), (2, 2),

(3, - 1), (3, 0), (3, 2) }

.

c) A x A = { (-1, -1), (-1, 0), (-1, 2),

(0, -1), (0, 0), (0, 2), (2, -1), (2, 0),(2, 2)}

.

d) B x B = { (2, 2), (2, 3), (3, 2), (3, 3)}

.

(Espero ter colaborado)