Question

Roots of a Cubic Equation depending on the value of $a$

score 97 · Answer 1 · 2017-02-14 22:02:07

97

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Roots of a Cubic Equation depending on the value of $a$

Published on 14 Feb 2017 - 22:02

score 1.6k · Answer 2 · 2017-02-16 12:57:45

1.6k

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Proof that the sum of the first $n$ cubes is equal to the square of the $n^{th}$ triangular number

Published on 16 Feb 2017 - 12:57

score 1.6k · Answer 3 · 2017-02-23 13:12:03

1.6k

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How do the coefficients of a standard cubic function affect its graph?

Published on 23 Feb 2017 - 13:12

score 2.1k · Answer 4 · 2017-02-24 09:20:18

2.1k

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Smallest positive root of $x^3 - 5x + 1 = 0$ (Forbidden to use Cardanos method)?

Published on 24 Feb 2017 - 9:20

score 154 · Answer 5 · 2017-02-24 15:23:51

154

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Hint request: Why we can always depress a cubic by centering it on the $y$ axis?

Published on 24 Feb 2017 - 15:23

score 83 · Answer 6 · 2017-02-24 22:09:18

83

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How can I prove sum of the squares of the roots of $x^3+ax^2+bx+c$ is equal to $a^2-2b$?

Published on 24 Feb 2017 - 22:09

score 177 · Answer 7 · 2017-02-25 21:53:55

177

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How can I show that this complicated expression with square and cube roots reduces to the value 7?

Published on 25 Feb 2017 - 21:53

score 1.4k · Answer 8 · 2026-03-25 08:12:44

1.4k

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Unique Cubic Polynomial Hermite Interpolation.

Published on 25 Mar 2026 - 8:12

score 289 · Answer 9 · 2017-02-26 16:24:10

289

Views

Vieta's Formula Questions

Published on 26 Feb 2017 - 16:24

score 746 · Answer 10 · 2026-03-25 20:32:34

746

Views

Natural Spline - Determining Coefficient

Published on 25 Mar 2026 - 20:32

score 292 · Answer 11 · 2017-02-28 12:52:37

292

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Vieta's Formula - Cubic Polynomial

Published on 28 Feb 2017 - 12:52

score 856 · Answer 12 · 2017-03-02 17:26:12

856

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Finding necessary and sufficient conditions on $b$ and $c$ for $x^3-3b^2x+c=0$ to have three distinct real roots

Published on 02 Mar 2017 - 17:26

score 273 · Answer 13 · 2017-03-05 04:55:06

273

Views

Can the cubic be solved this way?

Published on 05 Mar 2017 - 4:55

score 162 · Answer 14 · 2017-03-05 19:37:04

162

Views

True or False : Every root of a cubic equation has closed expression

Published on 05 Mar 2017 - 19:37

score 817 · Answer 15 · 2017-03-06 17:11:30

817

Views

Finding two complex conjugate roots from a cubic equation

Published on 06 Mar 2017 - 17:11

List Question

Roots of a Cubic Equation depending on the value of $a$

Proof that the sum of the first $n$ cubes is equal to the square of the $n^{th}$ triangular number

How do the coefficients of a standard cubic function affect its graph?

Smallest positive root of $x^3 - 5x + 1 = 0$ (Forbidden to use Cardanos method)?

Hint request: Why we can always depress a cubic by centering it on the $y$ axis?

How can I prove sum of the squares of the roots of $x^3+ax^2+bx+c$ is equal to $a^2-2b$?

How can I show that this complicated expression with square and cube roots reduces to the value 7?

Unique Cubic Polynomial Hermite Interpolation.

Vieta's Formula Questions

Natural Spline - Determining Coefficient

Vieta's Formula - Cubic Polynomial

Finding necessary and sufficient conditions on $b$ and $c$ for $x^3-3b^2x+c=0$ to have three distinct real roots

Can the cubic be solved this way?

True or False : Every root of a cubic equation has closed expression

Finding two complex conjugate roots from a cubic equation

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