Question

Cubic extension adjoining a root of an irreducible cubic polynomial.

score 69 · Answer 1 · 2020-03-09 21:35:15

69

Views

Cubic extension adjoining a root of an irreducible cubic polynomial.

Published on 09 Mar 2020 - 21:35

score 40 · Answer 2 · 2020-03-10 14:19:46

40

Views

Solving Linear Equations from a Curve that has 4 predefined points

Published on 10 Mar 2020 - 14:19

score 82 · Answer 3 · 2020-03-11 15:47:48

82

Views

$x^3+Ax+B$ is not a square number but $x^3+Cx+D$ is a square

Published on 11 Mar 2020 - 15:47

score 81 · Answer 4 · 2020-03-13 00:30:51

81

Views

Using vieta’s formula to make a cubic using roots

Published on 13 Mar 2020 - 0:30

score 586 · Answer 5 · 2020-03-15 19:57:15

586

Views

Can I solve this other than using Newton's sums or Newton's identities?

Published on 15 Mar 2020 - 19:57

score 272 · Answer 6 · 2020-03-18 07:45:46

272

Views

Does every nonsingular cubic curve $C \subset \mathbb{P}^2$ over a finite field $\mathbb{F}_q$ have a flex over $\mathbb{F}_{q^3}$?

Published on 18 Mar 2020 - 7:45

score 363 · Answer 7 · 2020-03-20 05:59:59

363

Views

Find all positive integer $a,b,c$ that $a^3+b^3+c^3$ can be divided by $a^2b,b^2c,c^2a$

Published on 20 Mar 2020 - 5:59

score 4.1k · Answer 8 · 2020-03-20 16:11:08

4.1k

Views

Prove that if $2a^3 + 27c = 9ab,$ then the roots of $x^3 + ax^2 + bx + c = 0$ form an arithmetic sequence.

Published on 20 Mar 2020 - 16:11

score 231 · Answer 9 · 2026-03-25 11:06:38

231

Views

A proof of Poincaré-Hurwitz Theorem in English?

Published on 25 Mar 2026 - 11:06

score 146 · Answer 10 · 2020-03-24 16:30:52

146

Views

Is Integer Solution of Cubic Negative?

Published on 24 Mar 2020 - 16:30

score 64 · Answer 11 · 2026-03-26 14:35:01

64

Views

Estimating $f(x)=\frac{\sin(x)+\sec(x)+\tan(x)}{\cos(x)\csc(x)\cot(x)}$ where $x \in[-\frac{\pi}{3},\frac{\pi}{4}]$

Published on 26 Mar 2026 - 14:35

score 357 · Answer 12 · 2020-03-29 04:17:16

357

Views

Simultaneous Equations Finding the Intersection of a Cubic and a Quadratic

Published on 29 Mar 2020 - 4:17

score 300 · Answer 13 · 2020-03-30 08:17:28

300

Views

Calculating eigenvalues for a $3 \times 3$ matrix without solving a cubic

Published on 30 Mar 2020 - 8:17

score 67 · Answer 14 · 2020-03-30 17:23:50

67

Views

Find $m^3$ if $m=\sqrt[3]{a + \frac{a+8}{3}\sqrt{\frac{a-1}{3}}} + \sqrt[3]{a - \frac{a+8}{3}\sqrt\frac{a-1}{3}}$

Published on 30 Mar 2020 - 17:23

score 172 · Answer 15 · 2026-03-26 09:40:02

172

Views

Solving the sextic equation with 14th root of unity

Published on 26 Mar 2026 - 9:40

List Question

Cubic extension adjoining a root of an irreducible cubic polynomial.

Solving Linear Equations from a Curve that has 4 predefined points

$x^3+Ax+B$ is not a square number but $x^3+Cx+D$ is a square

Using vieta’s formula to make a cubic using roots

Can I solve this other than using Newton's sums or Newton's identities?

Does every nonsingular cubic curve $C \subset \mathbb{P}^2$ over a finite field $\mathbb{F}_q$ have a flex over $\mathbb{F}_{q^3}$?

Find all positive integer $a,b,c$ that $a^3+b^3+c^3$ can be divided by $a^2b,b^2c,c^2a$

Prove that if $2a^3 + 27c = 9ab,$ then the roots of $x^3 + ax^2 + bx + c = 0$ form an arithmetic sequence.

A proof of Poincaré-Hurwitz Theorem in English?

Is Integer Solution of Cubic Negative?

Estimating $f(x)=\frac{\sin(x)+\sec(x)+\tan(x)}{\cos(x)\csc(x)\cot(x)}$ where $x \in[-\frac{\pi}{3},\frac{\pi}{4}]$

Simultaneous Equations Finding the Intersection of a Cubic and a Quadratic

Calculating eigenvalues for a $3 \times 3$ matrix without solving a cubic

Find $m^3$ if $m=\sqrt[3]{a + \frac{a+8}{3}\sqrt{\frac{a-1}{3}}} + \sqrt[3]{a - \frac{a+8}{3}\sqrt\frac{a-1}{3}}$

Solving the sextic equation with 14th root of unity

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