List questions from rational-numbers

Published on 07 Feb 2018 - 23:43

905

Views

If $\cos\theta$ is rational, then is $\cos k\theta$ also rational?

Published on 08 Feb 2018 - 9:21

325

Views

Which of the following subsets of $\mathbb R^2$ is/are NOT countable?

Published on 09 Feb 2018 - 11:49

712

Views

Example of the property of rational numbers that must be proved using the axioms of real numbers?

Published on 22 Mar 2026 - 19:57

99

Views

$(a_n)_{n \geq 1}=\mathbb{Q}_+$ and $\sqrt[n]{a_n}$ is convergent

Published on 11 Feb 2018 - 22:28

134

Views

Rational Trig Solutions for $n\ge 3$

Published on 17 Mar 2026 - 5:18

102

Views

Implications of field $\mathbf{F}$ with characteristic $0$.

Published on 17 Mar 2026 - 17:02

125

Views

Formulaic representation of the lowest form of the denominator of a rational number

Published on 17 Mar 2026 - 22:49

281

Views

How many rational numbers are in the opening of this binomial: $(\sqrt3+\sqrt[3]2)^{100}$

Published on 19 Mar 2026 - 19:58

188

Views

Closure on a Superset of the Rationals

Published on 17 Mar 2026 - 6:16

427

Views

Field automorphism over $\mathbb Q$ not mapping conjugate pairs

Published on 22 Feb 2018 - 5:33

5.8k

Views

Definition: rational prime, rational integer

Published on 17 Mar 2026 - 5:03

1.3k

Views

Are my arguments correct about limit points of $A=${$m+n\sqrt 2:m,n\in \mathbb Z$}?

Published on 23 Feb 2018 - 6:50

170

Views

Fractional/rational form of $0.999...$

Published on 17 Mar 2026 - 3:08

100

Views

Is there a term for the interval [-1.0, 1.0]?

Published on 19 Mar 2026 - 16:42

List Question

Why are rational numbers (Q) the obvious expansion of integers (Z)?

If $\cos\theta$ is rational, then is $\cos k\theta$ also rational?

Which of the following subsets of $\mathbb R^2$ is/are NOT countable?

Example of the property of rational numbers that must be proved using the axioms of real numbers?

$(a_n)_{n \geq 1}=\mathbb{Q}_+$ and $\sqrt[n]{a_n}$ is convergent

Rational Trig Solutions for $n\ge 3$

Implications of field $\mathbf{F}$ with characteristic $0$.

Formulaic representation of the lowest form of the denominator of a rational number

How many rational numbers are in the opening of this binomial: $(\sqrt3+\sqrt[3]2)^{100}$

Closure on a Superset of the Rationals

Field automorphism over $\mathbb Q$ not mapping conjugate pairs

Definition: rational prime, rational integer

Are my arguments correct about limit points of $A=${$m+n\sqrt 2:m,n\in \mathbb Z$}?

Fractional/rational form of $0.999...$

Is there a term for the interval [-1.0, 1.0]?

Trending Questions

Popular # Hahtags

Popular Questions