Which of the following are examples of the null set? F = {x : x ε Q, 1

contexto.140

3 years ago

Here, x ∈ Q
i.e. x is a rational number
We know that,

If a and b are two rational numbers, then is a rational number between a and b such
that
So, the rational number 1 and 2 is

∴ the set is not empty
∴ It is not a null set.