Linear Algebra 07/21/2016 by Yu · Published 07/21/2016 · Last modified 07/14/2017 How to Find a Formula of the Power of a Matrix Problem 8 Let $A= \begin{bmatrix} 1 & 2\\ 2& 1 \end{bmatrix}$. Compute $A^n$ for any $n \in \N$. Read solution Click here if solved 75 Add to solve later