Question

'Elegant' ways on solving for roots for this cubic function?

score 101 · Answer 1 · 2026-03-29 11:00:57

101

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'Elegant' ways on solving for roots for this cubic function?

Published on 29 Mar 2026 - 11:00

score 51 · Answer 2 · 2026-04-08 05:47:48

51

Views

Simple question about finding roots of a polynomial

Published on 08 Apr 2026 - 5:47

score 150 · Answer 3 · 2026-04-14 04:56:10

150

Views

Real solutions of $x^5+ax^4+bx^3+cx^2+dx+e=0$

Published on 14 Apr 2026 - 4:56

score 118 · Answer 4 · 2026-04-01 11:33:12

118

Views

Why this book says that $ 2^{1/2} = ±\sqrt{2} $?

Published on 01 Apr 2026 - 11:33

score 250 · Answer 5 · 2026-04-14 10:06:17

250

Views

Comparison between roots of two polynomials

Published on 14 Apr 2026 - 10:06

score 245 · Answer 6 · 2026-04-13 14:55:53

245

Views

Closed form roots of sum of exponential functions

Published on 13 Apr 2026 - 14:55

score 78 · Answer 7 · 2026-04-14 08:12:39

78

Views

"gapped" polynomial leads to ring-shaped roots

Published on 14 Apr 2026 - 8:12

score 321 · Answer 8 · 2026-04-13 15:55:01

321

Views

$f'(a)=0$ then show that $f(a)=0$

Published on 13 Apr 2026 - 15:55

score 377 · Answer 9 · 2026-04-16 22:01:44

377

Views

Prove that a periodic nested radical converges to the largest real root of the corresponding polynomial

Published on 16 Apr 2026 - 22:01

score 155 · Answer 10 · 2026-03-27 03:42:16

155

Views

Can the root locus of a minimum phase plant become unstable?

Published on 27 Mar 2026 - 3:42

score 70 · Answer 11 · 2026-04-10 16:24:00

70

Views

Showing a function does not have two distinct roots

Published on 10 Apr 2026 - 16:24

score 94 · Answer 12 · 2026-04-10 23:00:21

94

Views

Showing that a function does not have two distinct roots

Published on 10 Apr 2026 - 23:00

score 238 · Answer 13 · 2026-04-15 21:59:29

238

Views

Find an irreducible polynomial of degree $21$ in $\mathbb{F}_2[x]$

Published on 15 Apr 2026 - 21:59

score 1.8k · Answer 14 · 2026-04-11 20:46:01

1.8k

Views

Show that if $a>e$, the equation $az^n=e^z$ admit $n$ roots in the unit disk - Rouché theorem

Published on 11 Apr 2026 - 20:46

score 89 · Answer 15 · 2026-04-17 14:29:48

89

Views

Polynomial $1+3z^m+5z^n$ ($1<m<n$) - Annulus $\frac{1}{3}< |z| < 1$

Published on 17 Apr 2026 - 14:29

List Question

'Elegant' ways on solving for roots for this cubic function?

Simple question about finding roots of a polynomial

Real solutions of $x^5+ax^4+bx^3+cx^2+dx+e=0$

Why this book says that $ 2^{1/2} = ±\sqrt{2} $?

Comparison between roots of two polynomials

Closed form roots of sum of exponential functions

"gapped" polynomial leads to ring-shaped roots

$f'(a)=0$ then show that $f(a)=0$

Prove that a periodic nested radical converges to the largest real root of the corresponding polynomial

Can the root locus of a minimum phase plant become unstable?

Showing a function does not have two distinct roots

Showing that a function does not have two distinct roots

Find an irreducible polynomial of degree $21$ in $\mathbb{F}_2[x]$

Show that if $a>e$, the equation $az^n=e^z$ admit $n$ roots in the unit disk - Rouché theorem

Polynomial $1+3z^m+5z^n$ ($1<m<n$) - Annulus $\frac{1}{3}< |z| < 1$

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