Question

If A × B = {(1, 3), (1, 5), (2, 3), (2, 5), (3, 3), (3, 5)}.
Find A and B.​

Answer 1

Answer:

A×B={(1,3),(1,5),(2,3),(2,5),(3,3),(3,5)}

So, A = { 1, 2, 3}

B = { 3, 5}