Question

What are the necessary and sufficient conditions for the cubic equation to have at least 1 positive real root?

score 136 · Answer 1 · 2022-02-20 14:06:20

136

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What are the necessary and sufficient conditions for the cubic equation to have at least 1 positive real root?

Published on 20 Feb 2022 - 14:06

score 121 · Answer 2 · 2022-04-04 17:44:32

121

Views

What is $d(\mathbb{Q}(\sqrt{2},\sqrt{3}))$?

Published on 04 Apr 2022 - 17:44

score 96 · Answer 3 · 2022-04-27 09:24:35

96

Views

Discriminant of $x^{n+1}+x$

Published on 27 Apr 2022 - 9:24

score 46 · Answer 4 · 2022-05-05 18:37:07

46

Views

Can the jacobi symbol be used for the statement "n is represented by some quadratic form of discriminant d iff 4n is a square mod d"

Published on 05 May 2022 - 18:37

score 271 · Answer 5 · 2022-05-05 19:29:17

271

Views

Discriminant of depressed cubic

Published on 05 May 2022 - 19:29

score 50 · Answer 6 · 2022-05-23 11:06:19

50

Views

Proof regarding principal factors of the discriminant in $\mathbb{Q}(\sqrt{d})$

Published on 23 May 2022 - 11:06

score 69 · Answer 7 · 2022-06-10 11:23:31

69

Views

Least Squares Method Matrix when discriminant = 0

Published on 10 Jun 2022 - 11:23

score 662 · Answer 8 · 2022-06-17 19:27:14

662

Views

Why do we assume the discriminant to be greater than or equal to zero while calculating the range of a function?

Published on 17 Jun 2022 - 19:27

score 104 · Answer 9 · 2022-07-14 02:12:53

104

Views

Cauchy Schwarz Inequality for Vectors - Quadratic form Clarification

Published on 14 Jul 2022 - 2:12

score 101 · Answer 10 · 2022-07-23 10:02:49

101

Views

Discriminant in a cubic extension

Published on 23 Jul 2022 - 10:02

score 93 · Answer 11 · 2022-07-25 16:37:30

93

Views

Is the theory of $\Delta\le0$, true in cubic functions$?$

Published on 25 Jul 2022 - 16:37

score 101 · Answer 12 · 2022-07-26 12:35:32

101

Views

Nature of $\Delta$ in polynomials$?$

Published on 26 Jul 2022 - 12:35

score 111 · Answer 13 · 2022-07-28 06:04:27

111

Views

Finding $k$ such that the discriminant $k^2 - 12k + 52$ yields a quadratic with only one solution

Published on 28 Jul 2022 - 6:04

score 82 · Answer 14 · 2022-08-02 12:17:22

82

Views

Find and classify bifurcation points for a cubic ODE

Published on 02 Aug 2022 - 12:17

score 107 · Answer 15 · 2022-08-08 10:20:55

107

Views

Prove that the roots of $g(x)$ are also real

Published on 08 Aug 2022 - 10:20

List Question

What are the necessary and sufficient conditions for the cubic equation to have at least 1 positive real root?

What is $d(\mathbb{Q}(\sqrt{2},\sqrt{3}))$?

Discriminant of $x^{n+1}+x$

Can the jacobi symbol be used for the statement "n is represented by some quadratic form of discriminant d iff 4n is a square mod d"

Discriminant of depressed cubic

Proof regarding principal factors of the discriminant in $\mathbb{Q}(\sqrt{d})$

Least Squares Method Matrix when discriminant = 0

Why do we assume the discriminant to be greater than or equal to zero while calculating the range of a function?

Cauchy Schwarz Inequality for Vectors - Quadratic form Clarification

Discriminant in a cubic extension

Is the theory of $\Delta\le0$, true in cubic functions$?$

Nature of $\Delta$ in polynomials$?$

Finding $k$ such that the discriminant $k^2 - 12k + 52$ yields a quadratic with only one solution

Find and classify bifurcation points for a cubic ODE

Prove that the roots of $g(x)$ are also real

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