# Math Help - complex eigenvalues

1. ## complex eigenvalues

I need help with finding the eigenvalues for (-3 0 2)
(1 -1 0)
(-2 -1 0)

2. Originally Posted by lord12
I need help with finding the eigenvalues for (-3 0 2)
(1 -1 0)
(-2 -1 0)
Call this matrix $A$. You need to solve for $\lambda$ in the equation $det(A - \lambda I) = 0$.

So

$\left|\begin{array}{ccc}-3-\lambda & 0 & 2\\ 1 & -1 -\lambda & 0\\ -2 & -1 & -\lambda\end{array}\right| = 0$.