Question

$\det\left(6(A^3+B^3+C^3)+I_{2}\right)\ge 5^2\det(A^2+B^2+C^2)$ for $2 \times 2$ matrices

score 980 · Answer 1 · 2017-01-08 15:04:23

980

Views

$\det\left(6(A^3+B^3+C^3)+I_{2}\right)\ge 5^2\det(A^2+B^2+C^2)$ for $2 \times 2$ matrices

Published on 08 Jan 2017 - 15:04

score 104 · Answer 2 · 2017-01-08 17:04:43

104

Views

Formula for calculating moduli of roots of complex numbers from determinants - not working

Published on 08 Jan 2017 - 17:04

score 130 · Answer 3 · 2017-01-10 17:01:32

130

Views

How do you prove that if the rows of a matrix are linearly dependent then the null space does not consist only of the zero vector?

Published on 10 Jan 2017 - 17:01

score 268 · Answer 4 · 2017-01-11 05:10:20

268

Views

Determinant composed from polynomials $p_1(x) = x + a$ and $p_2(x) = x^2 + bx + c$

Published on 11 Jan 2017 - 5:10

score 520 · Answer 5 · 2026-03-30 04:53:33

520

Views

Ax=b with parametric b vector.

Published on 30 Mar 2026 - 4:53

score 75 · Answer 6 · 2017-01-13 18:12:12

75

Views

Is $M_{nj}=(n+1)^j$ invertible?

Published on 13 Jan 2017 - 18:12

score 665 · Answer 7 · 2017-01-17 08:36:01

665

Views

Show $\text{det}(A)$ is divisible by $a^n$

Published on 17 Jan 2017 - 8:36

score 1.9k · Answer 8 · 2017-01-17 08:38:15

1.9k

Views

Show $\text{det}(A)$ is divisible by $2^{n-1}$

Published on 17 Jan 2017 - 8:38

score 156 · Answer 9 · 2026-03-30 15:36:46

156

Views

Possible projective duality between two determinantal formulas for triangle area

Published on 30 Mar 2026 - 15:36

score 154 · Answer 10 · 2017-01-18 06:06:32

154

Views

İs it true if $0$ is an eigenvalue of a matrix $A$ then $\det{A}=0$?

Published on 18 Jan 2017 - 6:06

score 179 · Answer 11 · 2017-01-19 11:18:13

Is it compulsory that when the determinant of a matrix is zero, then the matrix will have at least one equivalent matrix with a zero row or column?

score 5.1k · Answer 12 · 2026-03-25 19:10:31

5.1k

Views

Is there a fast way to get the characteristic polynomial of this symmetric matrix?

Published on 25 Mar 2026 - 19:10

score 65 · Answer 13 · 2017-01-20 22:09:39

65

Views

Show property of determinant

Published on 20 Jan 2017 - 22:09

score 49 · Answer 14 · 2017-01-21 04:20:49

49

Views

Does there exist a skew-matrix $A\in \mathbb{F}_3^{n\times n}$ with det$(A)\not=0$ with and odd $n$?

Published on 21 Jan 2017 - 4:20

score 1.4k · Answer 15 · 2017-01-21 12:02:11

1.4k

Views

Find the determinant of a 5x5 matrix

Published on 21 Jan 2017 - 12:02

List Question

$\det\left(6(A^3+B^3+C^3)+I_{2}\right)\ge 5^2\det(A^2+B^2+C^2)$ for $2 \times 2$ matrices

Formula for calculating moduli of roots of complex numbers from determinants - not working

How do you prove that if the rows of a matrix are linearly dependent then the null space does not consist only of the zero vector?

Determinant composed from polynomials $p_1(x) = x + a$ and $p_2(x) = x^2 + bx + c$

Ax=b with parametric b vector.

Is $M_{nj}=(n+1)^j$ invertible?

Show $\text{det}(A)$ is divisible by $a^n$

Show $\text{det}(A)$ is divisible by $2^{n-1}$

Possible projective duality between two determinantal formulas for triangle area

İs it true if $0$ is an eigenvalue of a matrix $A$ then $\det{A}=0$?

Is it compulsory that when the determinant of a matrix is zero, then the matrix will have at least one equivalent matrix with a zero row or column?

Is there a fast way to get the characteristic polynomial of this symmetric matrix?

Show property of determinant

Does there exist a skew-matrix $A\in \mathbb{F}_3^{n\times n}$ with det$(A)\not=0$ with and odd $n$?

Find the determinant of a 5x5 matrix

Trending Questions

Popular # Hahtags

Popular Questions