I am to find the eigenvalues and corresponding eigenvectors of the following matrix:
[3 -1 -1]
[-12 0 5]
[4 -2 -1]
Here is what I have so far:
det(I - A) = det [
-3 1 1], [12
-5], [-4 2
+1] = (
-3)(
)(
+1)
I know that this is not completely correct, but not sure how to finish. Thanks in advance.