Question
If $A=\left[\begin{array}{ll}0 & 1 \\ 0 & 0\end{array}\right]$, then $(a I+b A)^n$ is (where $I$ is the identify matrix of order 2)
If $A=\left[\begin{array}{ll}0 & 1 \\ 0 & 0\end{array}\right]$, then $(a I+b A)^n$ is (where $I$ is the identify matrix of order 2)