Question

Roots of $x^3+5x-18=0$ using Cardano's method

score 586 · Answer 1 · 2026-03-24 20:38:01

586

Views

Roots of $x^3+5x-18=0$ using Cardano's method

Published on 24 Mar 2026 - 20:38

score 165 · Answer 2 · 2018-02-28 12:00:42

165

Views

How to justify why a negative sign reflects a parabola over its vertex (x value)

Published on 28 Feb 2018 - 12:00

score 152 · Answer 3 · 2026-03-25 01:18:55

152

Views

Prove $\Delta=\left|\begin{smallmatrix} 3x&-x+y&-x+z\\ -y+x&3y&-y+z\\-z+x&-z+y&3z\end{smallmatrix}\right|=3(x+y+z)(xy+yz+zx)$

Published on 25 Mar 2026 - 1:18

score 3.7k · Answer 4 · 2018-02-28 14:35:35

3.7k

Views

Solve $x^4 - 8x^3 + 21x^2 - 20x + 5 = 0$ given that the sum of two of its roots is $4$

Published on 28 Feb 2018 - 14:35

score 171 · Answer 5 · 2018-02-28 14:45:59

171

Views

Proof by induction involving trigonometric identities

Published on 28 Feb 2018 - 14:45

score 349 · Answer 6 · 2018-02-28 22:12:49

349

Views

Proving that a quasi-polynomial grows faster than any polynomial

Published on 28 Feb 2018 - 22:12

score 143 · Answer 7 · 2018-03-01 05:13:36

143

Views

polynomial function $y(x,w)$ is a linear function of the coefficients $w$

Published on 01 Mar 2018 - 5:13

score 588 · Answer 8 · 2026-03-24 23:48:13

588

Views

How to show that $4x^9 -9x^3 + 24x + 13 $ is irreducible over $\mathbb{Q}$

Published on 24 Mar 2026 - 23:48

score 78 · Answer 9 · 2026-03-25 09:25:17

78

Views

By the way, how was I right?

Published on 25 Mar 2026 - 9:25

score 319 · Answer 10 · 2018-03-01 10:28:05

319

Views

Comparing largest root of degree three polynomial

Published on 01 Mar 2018 - 10:28

score 588 · Answer 11 · 2018-03-01 16:19:31

588

Views

Must convergent sequence of polynomials have bounded coefficients?

Published on 01 Mar 2018 - 16:19

score 101 · Answer 12 · 2026-03-25 01:30:08

101

Views

Factoring $2^{^{n-3}}-2^{^{n-2}}$ (not homework question)

Published on 25 Mar 2026 - 1:30

score 2.5k · Answer 13 · 2026-03-25 01:40:07

2.5k

Views

There are no integral roots of $x^4-ax^3-bx^2-cx-d=0,$ given $a>b>c>d; \;\;a,b,c,d \in \mathbb N$

Published on 25 Mar 2026 - 1:40

score 141 · Answer 14 · 2026-03-26 04:22:40

141

Views

Can we prove that a set of polynomials is a basis for a vector space using induction?

Published on 26 Mar 2026 - 4:22

score 61 · Answer 15 · 2018-03-02 00:24:39

61

Views

What is the definition of the order of a polynomial? (not the degree).

Published on 02 Mar 2018 - 0:24

List Question

Roots of $x^3+5x-18=0$ using Cardano's method

How to justify why a negative sign reflects a parabola over its vertex (x value)

Prove $\Delta=\left|\begin{smallmatrix} 3x&-x+y&-x+z\\ -y+x&3y&-y+z\\-z+x&-z+y&3z\end{smallmatrix}\right|=3(x+y+z)(xy+yz+zx)$

Solve $x^4 - 8x^3 + 21x^2 - 20x + 5 = 0$ given that the sum of two of its roots is $4$

Proof by induction involving trigonometric identities

Proving that a quasi-polynomial grows faster than any polynomial

polynomial function $y(x,w)$ is a linear function of the coefficients $w$

How to show that $4x^9 -9x^3 + 24x + 13 $ is irreducible over $\mathbb{Q}$

By the way, how was I right?

Comparing largest root of degree three polynomial

Must convergent sequence of polynomials have bounded coefficients?

Factoring $2^{^{n-3}}-2^{^{n-2}}$ (not homework question)

There are no integral roots of $x^4-ax^3-bx^2-cx-d=0,$ given $a>b>c>d; \;\;a,b,c,d \in \mathbb N$

Can we prove that a set of polynomials is a basis for a vector space using induction?

What is the definition of the order of a polynomial? (not the degree).

Trending Questions

Popular # Hahtags

Popular Questions