List questions from determinant

Published on 17 Mar 2014 - 17:16

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Preservation of determinants mod some ideal

Published on 31 Mar 2026 - 3:26

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Factorizing Determinants

Published on 18 Mar 2014 - 10:22

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Prove: If A is invertible, then adj(A) is invertible and $[\operatorname{adj}(A)]^{-1}=\frac1{\det(A)}A=\operatorname{adj}(A^{-1})$

Published on 19 Mar 2014 - 2:59

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Proof using properties of determinants

Published on 19 Mar 2014 - 8:14

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The "second derivative test" for $f(x,y)$

Published on 19 Mar 2014 - 20:22

609

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Prove that $\det(A)=\det(A^T)$ algebraically

Published on 19 Mar 2014 - 21:33

824

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What makes the permanent lot more difficult than the determinant

Published on 28 Mar 2026 - 10:40

2.5k

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Find the determinant without row expansion

Published on 21 Mar 2014 - 1:01

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Row swap changing sign of determinant

Published on 25 Mar 2026 - 8:00

800

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A determinant inequality

Published on 22 Mar 2014 - 0:10

321

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Determinants and eigenvectors

Published on 22 Mar 2014 - 20:40

4.2k

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The determinants of upper triangular matrices (For any 2x2 and 3x3 matrix)

Published on 23 Mar 2014 - 6:28

915

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Can a tridiagonal matrix be rectangular?

Published on 25 Mar 2026 - 3:16

826

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Proving $\det \left( \begin{smallmatrix} A & -B \\ B & A \end{smallmatrix} \right) =|\det(A+iB)|^2$

Published on 25 Mar 2014 - 7:28

List Question

Prove $f$ not continuous at SEEMOUS Contest

Preservation of determinants mod some ideal

Factorizing Determinants

Prove: If A is invertible, then adj(A) is invertible and $[\operatorname{adj}(A)]^{-1}=\frac1{\det(A)}A=\operatorname{adj}(A^{-1})$

Proof using properties of determinants

The "second derivative test" for $f(x,y)$

Prove that $\det(A)=\det(A^T)$ algebraically

What makes the permanent lot more difficult than the determinant

Find the determinant without row expansion

Row swap changing sign of determinant

A determinant inequality

Determinants and eigenvectors

The determinants of upper triangular matrices (For any 2x2 and 3x3 matrix)

Can a tridiagonal matrix be rectangular?

Proving $\det \left( \begin{smallmatrix} A & -B \\ B & A \end{smallmatrix} \right) =|\det(A+iB)|^2$

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