Functions Question 351
Question: The Cartesian product of two sets P and Q i.e., $ P\times Q=\phi , $ if
Options:
A) either P or Q is the null set
B) neither P nor Q is the null set
C) Both (a) and (b)
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
[a] If either P or Q is the null set, then $ P\times Q $ will be an empty set, i.e., $ P\times Q=\phi $ ,