Question

1°) Se A= (1,2,3), B= (-5,-6,-7) e C= (0,2,4), determine:
a) A×B=
b) B×A=
c) A×C=
d) C×A=
e) B×C=
f) C×B=

2°) Sendo A= (0,1,2,3) e B= (2,4,6,8) determine A×B e B×A

Answer 1

1° a) A×B= {(1,-5), (1,-6), (1-7), (2,-5),(2,-6),(2,-7),(3,-5),(3,-6),(3,-7)


E por aí vai....