Calculate the matrix p(A), where
A=\left[\begin{array}{rr}1 & -2 \\2 & 3\end{array}\right]and where p(t) is the characteristic polynomial for A.
Calculate the matrix p(A), where
A=\left[\begin{array}{rr}1 & -2 \\2 & 3\end{array}\right]and where p(t) is the characteristic polynomial for A.