New posts in determinant

Prove that the set of $n$-by-$n$ real matrices with positive determinant is connected

How does Cramer's rule work?

$3 \times 3$ matrix with determinant a large power of $2$

If $(A-B)^2=AB$, prove that $\det(AB-BA)=0$.

Is this determinant always non-negative?

How to find the determinant of this $3 \times 3$ Hankel matrix?

Slick proof the determinant is an irreducible polynomial

Why is the determinant of a symplectic matrix 1?

Proof If $AB-I$ Invertible then $BA-I$ invertible. [duplicate]

Meaning of the identity $\det(A+B)+\text{tr}(AB) = \det(A)+\det(B) + \text{tr}(A)\text{tr}(B)$ (in dimension $2$)

If $A$ is positive definite, then $\int_{\mathbb{R}^n}\mathrm{e}^{-\langle Ax,x\rangle}\text{d}x=\left|\det\left({\pi}^{-1}A\right)\right|^{-1/2}$

Proof relation between Levi-Civita symbol and Kronecker deltas in Group Theory

Direct formula for area of a triangle formed by three lines, given their equations in the cartesian plane.

Expressing the determinant of a sum of two matrices?

How to determine the basis with given vectors?

Characterization of positive definite matrix with principal minors

Geometric meaning of the determinant of a matrix

Why is the determinant defined in terms of permutations?

What is the origin of the determinant in linear algebra?

Is a matrix $A$ with an eigenvalue of $0$ invertible?