Belongs to set of rational number.
Solution:
Need to determine the set of real numbers does
belongs to ; On first look it seems the given number
belongs to set of rational number.
Rational number is the number which can be presented in the form of
where p and q are integers and
So in our case
and
.
So both numbers are integers and q is also not equal to zero. Hence we can conclude that
belongs to set of rational number.