List questions from rational-numbers

Published on 29 Jun 2017 - 4:06

270

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what does it mean to say that rational numbers are obtained "from unity"?

Published on 01 Jul 2017 - 19:24

1.7k

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is "commensurability" as simple as saying a and b are rational?

Published on 01 Jul 2017 - 22:05

154

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ambiguity from powers of 10 in denominator

Published on 06 Apr 2026 - 7:45

125

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Tao Analysis 1 proposition 4.3.7 (d)

Published on 04 Jul 2017 - 21:23

100

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Does a polynomial-like thing from $\mathbb N\to \mathbb N$ always has coefficients in the rationals $\mathbb Q$?

Published on 06 Jul 2017 - 1:29

90

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rational solutions of $r^n-s^n=1$?

Published on 27 Mar 2026 - 2:02

384

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Examples of diagonal line segments in $\mathbb{R}^2$ that contain no rational points?

Published on 06 Apr 2026 - 9:39

922

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Showing that $\mathbb{Q}\cap [0,2]$ is Not Compact

Published on 20 Jul 2017 - 17:46

2.6k

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Polynomial having rational coefficients and one root: $\sqrt{2}+\sqrt{3}-\sqrt{5}$

Published on 06 Apr 2026 - 11:15

549

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When is Morrie's Law a rational number

Published on 06 Apr 2026 - 9:37

313

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What is the best rational approximation of $\frac{1}{x}$

Published on 22 Jul 2017 - 18:32

55

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Transforming equations that are rational to quadratics and finding the roots

Published on 24 Feb 2026 - 8:32

69

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Multiplication and division of a pair of real numbers

Published on 25 Jul 2017 - 9:22

89

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Does $x^y, y^x \in \mathbb{Q}, x\neq y$ imply $x, y \in \mathbb{Q}$?

Published on 06 Apr 2026 - 9:42

List Question

Stern-brocot rational numbers not omitted proof

what does it mean to say that rational numbers are obtained "from unity"?

is "commensurability" as simple as saying a and b are rational?

ambiguity from powers of 10 in denominator

Tao Analysis 1 proposition 4.3.7 (d)

Does a polynomial-like thing from $\mathbb N\to \mathbb N$ always has coefficients in the rationals $\mathbb Q$?

rational solutions of $r^n-s^n=1$?

Examples of diagonal line segments in $\mathbb{R}^2$ that contain no rational points?

Showing that $\mathbb{Q}\cap [0,2]$ is Not Compact

Polynomial having rational coefficients and one root: $\sqrt{2}+\sqrt{3}-\sqrt{5}$

When is Morrie's Law a rational number

What is the best rational approximation of $\frac{1}{x}$

Transforming equations that are rational to quadratics and finding the roots

Multiplication and division of a pair of real numbers

Does $x^y, y^x \in \mathbb{Q}, x\neq y$ imply $x, y \in \mathbb{Q}$?

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