Question

A={1, 2, 3} B={a, b} find A×B and B×A.​

Answer 1

• Answer:

AxB=(1, a) (1, b) (2, a) (2, b) (3, a) (3, b)

Answer 2

Answer:

A×B = {(1,a), (1,b), (2,a), (2,b), (3,a), (3,b)}

B×A= {(a,1), (a,2), (a,3), (b,1), (b,2), (b,3)}