Irrational numbers are numbers that cannot
be expressed as a ratio of integers in the form of p/q, where p and q are integers,
and q is not equal to zero. The decimal expansion of an irrational number goes
on forever without repeating a pattern.
Option A: ,
which is a rational number because it can be expressed as .
Option B: ,
which is a rational number because it can be expressed as .
Option C: