Question

What's so special about primes $x^2+27y^2 = 31,43, 109, 157,\dots$ for cubics?

score 562 · Answer 1 · 2014-12-15 18:54:01

562

Views

What's so special about primes $x^2+27y^2 = 31,43, 109, 157,\dots$ for cubics?

Published on 15 Dec 2014 - 18:54

score 66 · Answer 2 · 2026-03-25 04:39:42

66

Views

What are some elementary books which discuss projective lines on surfaces with examples?

Published on 25 Mar 2026 - 4:39

score 2k · Answer 3 · 2014-12-19 03:12:11

2k

Views

Determining how many roots a cubic equation has.

Published on 19 Dec 2014 - 3:12

score 1.7k · Answer 4 · 2015-01-02 17:47:13

1.7k

Views

Find a and b of $x^3+ax^2+bx−26=0$

Published on 02 Jan 2015 - 17:47

score 83 · Answer 5 · 2019-10-03 08:37:32

83

Views

Use the relation $x^3=y$ to get $\alpha^3 + \beta^3+\gamma^3$

Published on 03 Oct 2019 - 8:37

score 74 · Answer 6 · 2019-10-03 17:44:01

74

Views

Simplify this expansion : $\omega=(28+(\frac{5290}{3})^{\frac{3}{2}})^{\frac{1}{3}}+(28-(\frac{5290}{3})^{\frac{3}{2}})^{\frac{1}{3}}$

Published on 03 Oct 2019 - 17:44

score 102 · Answer 7 · 2019-10-11 13:35:09

102

Views

How to know how much this cubic equation have real answers?

Published on 11 Oct 2019 - 13:35

score 142 · Answer 8 · 2019-10-11 14:57:13

142

Views

How to use the cubic formula.

Published on 11 Oct 2019 - 14:57

score 165 · Answer 9 · 2019-10-14 08:29:11

165

Views

Whats the name of this surface $a^2+b^2+c^2+2abc-1=0$?

Published on 14 Oct 2019 - 8:29

score 57 · Answer 10 · 2019-10-17 18:04:10

57

Views

Find all real values a of the system

Published on 17 Oct 2019 - 18:04

score 178 · Answer 11 · 2019-10-20 03:35:07

178

Views

Primitive instances where $c^3|(a^3+b^3)$ with $a,b,c\in\mathbb{N}$

Published on 20 Oct 2019 - 3:35

score 80 · Answer 12 · 2019-10-20 06:09:57

80

Views

How to find general solution of the following difference equation, which follows from a Markov chain?

Published on 20 Oct 2019 - 6:09

score 1.4k · Answer 13 · 2026-03-25 11:05:16

1.4k

Views

Converting $ax^3 + bx^2 +cx + d$ to $a(x-j)^3 +k$

Published on 25 Mar 2026 - 11:05

score 253 · Answer 14 · 2019-10-20 19:54:45

253

Views

Recurrence relation for sum of powers of roots of a cubic equation.

Published on 20 Oct 2019 - 19:54

score 47 · Answer 15 · 2019-10-22 07:50:07

47

Views

Solving for a variable in a polynomial with arbitrary x

Published on 22 Oct 2019 - 7:50

List Question

What's so special about primes $x^2+27y^2 = 31,43, 109, 157,\dots$ for cubics?

What are some elementary books which discuss projective lines on surfaces with examples?

Determining how many roots a cubic equation has.

Find a and b of $x^3+ax^2+bx−26=0$

Use the relation $x^3=y$ to get $\alpha^3 + \beta^3+\gamma^3$

Simplify this expansion : $\omega=(28+(\frac{5290}{3})^{\frac{3}{2}})^{\frac{1}{3}}+(28-(\frac{5290}{3})^{\frac{3}{2}})^{\frac{1}{3}}$

How to know how much this cubic equation have real answers?

How to use the cubic formula.

Whats the name of this surface $a^2+b^2+c^2+2abc-1=0$?

Find all real values a of the system

Primitive instances where $c^3|(a^3+b^3)$ with $a,b,c\in\mathbb{N}$

How to find general solution of the following difference equation, which follows from a Markov chain?

Converting $ax^3 + bx^2 +cx + d$ to $a(x-j)^3 +k$

Recurrence relation for sum of powers of roots of a cubic equation.

Solving for a variable in a polynomial with arbitrary x

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