Diagonalization & Matrix Powers · Medium problem

$\begin{pmatrix}2 & 1 & 0\\0 & 2 & 0\\0 & 0 & 3\end{pmatrix}$

$\begin{pmatrix}2 & 0 & 0\\0 & 2 & 0\\0 & 0 & 3\end{pmatrix}$

$\begin{pmatrix}1 & 1 & 1\\1 & 1 & 1\\1 & 1 & 1\end{pmatrix}$

$\begin{pmatrix}2 & 1 & 0\\0 & 3 & 1\\0 & 0 & 4\end{pmatrix}$