How to construct a $2\times2$ matrix $A$ such that $A^3=I$?
55787
Is there any matrix $2\times 2$ such that $A\neq I$ but $ A^3=I$?
123726
$2\times 2 $ matrices over $\mathbb{C}$ that satisfy $\mathrm A^3=\mathrm A$
70092
Determine the number of possible values for $\det(A)$, given that $A$ is an $n \times n$ matrix with real entries such that $A^3 - A^2 -3A +2I=0$.
70157
Is every matrix $A$ such that $A^k=I$ diagonalizable?
126711
What is the square matrix $A$ equal to if $A=A^2$
95103
A rational matrix such that $A^{2017}=I_n$
30889
Classifying complex $2\times 2$ matrices up to similarity
73697
Let $A, B$ be $n\times n$ with $n\ge 2$ nonsingular matrices with real entries such that $A^{-1} + B^{-1} =(A+B)^{-1}$
100627
for a $3 \times 3$ matrix A ,value of $ A^{50} $ is
73155
Prove that for any square matrix, an invertible matrix B exists, so that BA is triangular
99384
What are the Complex (Non-Real) Eigenvectors of $3\times 3$ Rotation Matrices?
3330
Square matrices, ABA = A?
100656
$2\times2$ matrix $A$ such that $A$ has one independent eigenvector while $A^{2}$ has two independent eigenvectors
60598
Matrix $A^T A$ as sum of outer products
123808
How would I solve the following problem involving elementary matrices?
43570
Finding two non-zero matrices where $AX = BA$
73677
If the matrix $A^3 = 0$, is $A$ singular?