Question:
If $A \times B=\{(-2,3),(-2,4),(0,4),(3,3),(3,4)$, find $A$ and $B$.
Solution:
Here, A × B = {(–2, 3), (–2, 4), (0, 4), (3, 3), (3, 4)} To find: A and B
Clearly, A is the set of all first entries in ordered pairs in A × B
and B is the set of all second entries in ordered pairs in A × B
