Homework Statement
A is a given 3x3 matrix
A=
\begin{pmatrix}
a & 0 & 1 \\
0 & a & b \\
0 & 0 & c
\end{pmatrix}
a,b,c are real numbers
1) determine for what values of a,b,c the matrix A is diagnoizable. (advice: distinguish between the cases a=c and a≠c)
Homework Equations...