If A × B = {(1, 3), (1, 4), (2, 3), (2, 4), (3, 3), (3, 4)}
Then,
A = Set of first elements = {1, 2, 3}
B = Set of second element = {3, 4}
Let us check
If A = {1, 2, 3}, B = {3, 4}
A × B = {(1, 3), (1, 4),
(2, 3), (2, 4),
(3, 3), (3, 4)}
Which is the same as above.
