The inverse matrix of $a_{ij}=i^{j}$
140768
Proof of Vandermonde Matrix Inverse Formula
4517
Showing a $2\times2$ matrix is invertible
78298
On the nilpotence of the matrix $AB-BA$
46567
Derivatives of inverse matrix
33355
Proving that matrix in equation is invertible
142640
Prove determinant of a matrix $=\prod_{j<i}(a_i-a_j)$
139201
Finding Jordan basis of a matrix $(4\times 4)$
28861
Given an invertible matrix $A$ such that all elements in $A$ and in $𝐴^{−1}$ are integers, find $|𝐴^4|$
109217
Invertibility of the Product of Two Matrices
42809
How can we show that $(I-A)$ is invertible?
109471
The eigenvectors of the transpose operator
35034
Multiplicative inverses for $Z_n$
116136
Proof that the inverse of a square matrix is unique
122434
Adjoint of a matrix and inverse of a matrix
71631
About idempotent and invertible matrix
58491
Proving the inverse of a matrix as a polynomial of matrices
138342
Proof of a matrix exponential identity