Single Answer MCQ
Q-00051564
If P and Q are two sets, what is P × Q when P = {a} and Q = {}?
1
{(a, )}
2
{}
3
{(, a)}
4
{()}
Answer and Solution
Answer
B. {}
Solution:
The Cartesian product P × Q will also be an empty set if either set is empty. Thus, P × Q = {}.
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