Proof that a rational is a repeating decimal.
46561
How can I prove that all rational numbers are either terminating decimal or repeating decimal numerals?
140949
Proving that for each prime number $p$, the number $\sqrt{p}$ is irrational
22192
System of linear equations having a real solution has also a rational solution.
114793
Prove that $\sqrt{10} - \sqrt6 - \sqrt5 + \sqrt3$ is irrational
96204
Irrational number $\sqrt2$ proof
86988
Cardinality of the Irrationals
66210
Prove that $z^n + 1/{z^n}$ is a rational number
81154
Characterising reals with terminating decimal expansions
43940
Showing that $n$ is pseudoprime to the base $a$
86882
Proving Gauss' polynomial theorem (Rational Root Test)
34998
How to prove that $\mathbb{Q}$ ( the rationals) is a countable set
50930
Proving the continued fraction representation of $\sqrt{2}$
58284
How to prove that $\sqrt[3] 2 + \sqrt[3] 4$ is irrational?
48035
Prove that square root of 2 is irrational using the principle of Mathematical Induction
127560
Question about repeating decimal?
64885
Irrational and rational sequence proof
51680
decimal representation of $2^m$ starts with a particular finite sequence of decimal digits