Question

Sendo A= {1,3}, B= {1,5} e C= {2, 35}. Efetue:
a) A×B
b) B×A
C) A×C
D) C×B

Answer 1

Resposta:

Explicação passo a passo:

AxB={(1,1),(1,5),(3,1),(3,5)}

BxA={(1,1),(1,3),(5,1),(5,3)}

AxC={(1,2),(1,3),(1,5),(3,2),(3,3),(3,5)}

CxB={(2,1),(2,5),(3,1),(3,5),(5,1),(5,5)}