Question

7) A=(1,2,3)
B=(a,b,c,d)​

Answer 1

Answer:

A×B = {(1,a),(1,b),(1,c),(1,d),(2,a),(2,b),(2,c),(2,d),

(3,a),(3,b),(3,c),(3,d)}

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

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