Question

What could be an element that fulfills the given criteria?

score 23 · Answer 1 · 2026-04-08 19:38:43

23

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What could be an element that fulfills the given criteria?

Published on 08 Apr 2026 - 19:38

score 434 · Answer 2 · 2021-10-26 13:26:03

434

Views

Prove that between any two positive real numbers there is a rational number

Published on 26 Oct 2021 - 13:26

score 53 · Answer 3 · 2026-04-09 11:45:58

53

Views

The image set of the function $f(x) = \dfrac{x -1}{x + 1}$ generates $\Bbb{Q}$ multiplicatively?

Published on 09 Apr 2026 - 11:45

score 74 · Answer 4 · 2026-04-08 19:35:53

74

Views

Determine whether a set is dense in $\mathbb{R}$

Published on 08 Apr 2026 - 19:35

score 133 · Answer 5 · 2026-04-04 09:37:57

133

Views

Homomorphism of $: \mathbb{Q}^{*}/⟨-1⟩\rightarrow \mathbb{Q}^+$

Published on 04 Apr 2026 - 9:37

score 53 · Answer 6 · 2026-04-10 16:25:21

53

Views

Is there a proof that logarithm whose anti-logarithm is not a natural power of the base is not a rational number?

Published on 10 Apr 2026 - 16:25

score 1.2k · Answer 7 · 2026-04-11 02:14:29

1.2k

Views

How do you find "good" rational approximations to a decimal number?

Published on 11 Apr 2026 - 2:14

score 115 · Answer 8 · 2021-11-14 01:58:58

115

Views

For which $f: \mathbb{Q}\rightarrow\mathbb{Q}^+$ does the sum $\sum_{q\in\mathbb{Q}} f(q)$ converge?

Published on 14 Nov 2021 - 1:58

score 236 · Answer 9 · 2021-11-14 03:20:08

236

Views

Infinite irreducible polynomial over Q[x] using Eisenstein

Published on 14 Nov 2021 - 3:20

score 138 · Answer 10 · 2021-11-24 18:33:57

138

Views

Are the rational numbers in order of size a sequence?

Published on 24 Nov 2021 - 18:33

score 105 · Answer 11 · 2026-04-08 19:41:52

105

Views

Let $n,m\in N0$ and $\sqrt{n}\not\in Q.$ Show that $\sqrt{n} + \sqrt{m}\not\in Q$

Published on 08 Apr 2026 - 19:41

score 132 · Answer 12 · 2021-11-27 13:29:00

132

Views

Find minimum $n$ for $x^2+3x+6=f_1(x)^2+f_2(x)^2+ \cdots +f_n(x)^2$

Published on 27 Nov 2021 - 13:29

score 35 · Answer 13 · 2026-04-08 16:50:54

35

Views

How to evaluate rational numbers to rational powers

Published on 08 Apr 2026 - 16:50

score 92 · Answer 14 · 2021-12-01 13:54:34

92

Views

Linear Diophantine equations with fractional coefficients

Published on 01 Dec 2021 - 13:54

score 222 · Answer 15 · 2026-04-01 00:22:15

222

Views

Rigorous book developing number systems and set theory

Published on 01 Apr 2026 - 0:22

List Question

What could be an element that fulfills the given criteria?

Prove that between any two positive real numbers there is a rational number

The image set of the function $f(x) = \dfrac{x -1}{x + 1}$ generates $\Bbb{Q}$ multiplicatively?

Determine whether a set is dense in $\mathbb{R}$

Homomorphism of $: \mathbb{Q}^{*}/⟨-1⟩\rightarrow \mathbb{Q}^+$

Is there a proof that logarithm whose anti-logarithm is not a natural power of the base is not a rational number?

How do you find "good" rational approximations to a decimal number?

For which $f: \mathbb{Q}\rightarrow\mathbb{Q}^+$ does the sum $\sum_{q\in\mathbb{Q}} f(q)$ converge?

Infinite irreducible polynomial over Q[x] using Eisenstein

Are the rational numbers in order of size a sequence?

Let $n,m\in N0$ and $\sqrt{n}\not\in Q.$ Show that $\sqrt{n} + \sqrt{m}\not\in Q$

Find minimum $n$ for $x^2+3x+6=f_1(x)^2+f_2(x)^2+ \cdots +f_n(x)^2$

How to evaluate rational numbers to rational powers

Linear Diophantine equations with fractional coefficients

Rigorous book developing number systems and set theory

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