Using Rationalize to find the exact rational form
134264
How to get exact Rationalize of a decimal number?
158933
Rational solutions of $y^2 = x^3 - x$
35972
Well ordering principle for rationals
48804
Enumeration of rationals from Stein-Shakarchi's Real Analysis (Chapter 1, Exercise 24)
22762
How can adding an infinite number of rationals yield an irrational number?
29160
How can one convert rational matrices into integer ones?
38851
To find the probability whether $X$ is rational
139979
Proof there is a rational between any two reals
133164
Rational solutions for $x^2+y^2=3$
117366
Is there a simple, constructive, 1-1 mapping between the reals and the irrationals?
35110
Predicting the number of decimal digits needed to express a rational number
115834
Cubic polynomial with three (distinct) irrational roots
63804
Proof that every repeating decimal is rational
56877
Show that $\sqrt{4 + 2\sqrt{3}} - \sqrt{3}$ is rational.
22408
Jutifying: irrational + rational = irrational
87735
Prove that the roots $\in \Bbb R$ of $x^3+x+1=0$ aren't rational without RRT
33691
Confusion about a particular differential form being exact?