Question

Matrix and Linear: Finding Eigenvalues.
\[\Large\rm \left[\begin{matrix} 3& 4& 0& 0\\ 4& 3& 0& 0\\ 0& 0& 1& 3\\ 0& 0& 4& 5\end{matrix}\right]\]

Answer 1

I was trying to put it into Upper Triangular, because I think the Eigenvalues are just the values along the diagonal then, uhhh yah?

I must be doing something wrong though :C