Question

por favor me ajudem!
Sendo A = {-1,1,2} e B = {-2,0,1,3,5}, determine
a) A x B.
b) A 2 = A X A

Answer 1

Resposta:

Explicação passo a passo:

AXB={(-1,-2),(-1,0),(-1,1),(-1,3),(-1,5),(1,-2),(1,0),(1,1),(1,3),(1,5),(2,-2),(2,0),(2,1),(2,3),(2,5)}

AXA={(-1,-1),(-1,1),(-1,2),(1,-1),(1,1),(1,2),(2,-1),(2,1),(2,2)}