Question

Se A={1,2,,3} e B= {7,8,9} o produto cartesiano A xB será igual a:

a) AxB= {(1,7), (1,8). (1,9), (2,7), (2,8), (2,9),(3,7),(3,8),(3,9)}
b)AxB = {(1,7),(2,8),(3,9)}
c)AxB = {(7,1),(8,2),(9,3)}
d) AxB={(7,1), (7,2), (7,3), (8,1), (8,2), (8,3),(9,1),(9,2),(9,3)}
e)AxB= {(1,1), (2,2), (3,3), (7,7), (8,8), (9,9)}

Answer 1

Resposta:

resposta letra A

espero ter ajudado