Resposta :
Explicação passo-a-passo:
A × B = { (1,3 ) ; (1,4) ; (1,5) ; (2,3) ; (2,4) ; (2,5) }
A × A = { (1,1) ; (1,2) ; (2,1) ; (2,2)}
Explicação passo-a-passo:
A × B = { (1,3 ) ; (1,4) ; (1,5) ; (2,3) ; (2,4) ; (2,5) }
A × A = { (1,1) ; (1,2) ; (2,1) ; (2,2)}