Question

if A and B are two sets such that n(A)=3 and n(B)=2 , if (x,1) , (y,2) and (z,1) are in AxB , find AxB and BxA .

Answer 1

setA={x,y,z} and setB={1,2}

other elements of A×B are(x,2),(y,1),(z,2).

B×A are (1,x),(1,y),(1,z),(2,x),(2,y),(2,z).