Q. 9

# If *A* = {1, 3, 5} and *B* = {2, 4}, list the elements of *R*, if *R* = {(*x*, *y*) : *x*, *y**A* × *B* and *x* > *y*}.

Answer :

Here, A={1,3,5} and B={2,4}

Also, R={ (x,y) : x,yϵ A×B and x>y}

={(3,2) ,(5,2) ,(5,4)}

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