List questions from determinant

Published on 14 Apr 2026 - 13:29

153

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Proof of a determinant expansion

Published on 08 Apr 2026 - 22:48

210

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Help me to prove the determinant of given matrix.

Published on 13 Apr 2026 - 22:43

130

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Looking for a proof of a known theorem involving integral quadratic forms

Published on 14 Apr 2026 - 7:15

40

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Proof based problem related to non-trivial solution of a linear equation system

Published on 11 Apr 2026 - 9:10

111

Views

Prove that the determinant is $0$ by expressing as a product

Published on 17 Apr 2026 - 1:23

97

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For what values of $x$ is $\det\begin{bmatrix} x & 5\\ 7 & 10 \end{bmatrix} = 30$?

Published on 16 Apr 2026 - 6:22

101

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Matrices - One problem with two optional solutions, don't know which one is correct

Published on 12 Apr 2026 - 16:19

1.3k

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Determinant of an unknown matrix.

Published on 15 Apr 2026 - 20:45

794

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Find the inverse and determinant of A=(aI +T),

Published on 15 Apr 2026 - 2:29

366

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Theoretical question about rank and invertibility of a block matrix,

Published on 13 Apr 2026 - 2:04

85

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Show that determinant is divisible by f(x)

Published on 14 Apr 2026 - 8:26

319

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Proove that $\det(L_B) = \big(\det(B)\big)^n$, $\det(R_B) = \big(\det(B)\big)^n$.

Published on 16 Apr 2026 - 1:11

3.1k

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How to prove the value of a "negative" matrix

Published on 08 Apr 2026 - 21:38

343

Views

Logarithm of complex matrix

Published on 10 Apr 2026 - 23:27

List Question

The determinant of a certain matrix

Proof of a determinant expansion

Help me to prove the determinant of given matrix.

Looking for a proof of a known theorem involving integral quadratic forms

Proof based problem related to non-trivial solution of a linear equation system

Prove that the determinant is $0$ by expressing as a product

For what values of $x$ is $\det\begin{bmatrix} x & 5\\ 7 & 10 \end{bmatrix} = 30$?

Matrices - One problem with two optional solutions, don't know which one is correct

Determinant of an unknown matrix.

Find the inverse and determinant of A=(aI +T),

Theoretical question about rank and invertibility of a block matrix,

Show that determinant is divisible by f(x)

Proove that $\det(L_B) = \big(\det(B)\big)^n$, $\det(R_B) = \big(\det(B)\big)^n$.

How to prove the value of a "negative" matrix

Logarithm of complex matrix

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