Question:
Decimal expansion of $\sqrt{2}$ is
(a) a finite decimal
(b) 1.4121
(c) non-terminating recurring
(d) non-terminating, non-recurring
Solution:
(c) a non-terminating and non-repeating decimal
Because $\sqrt{2}$ is an irrational number, its decimal expansion is non-terminating and non-repeating.