Hi there, i want to find the eigenvalues for the given matrix
2 0 -2
0 -1 0
-2 0 -1
so doing the basic steps. det(A - lamda i)
after finding the determinant i get
-L^3 + 7L + 6
L = lambda
cant figure out a way to factor that cubic.
Hi there, i want to find the eigenvalues for the given matrix
2 0 -2
0 -1 0
-2 0 -1
so doing the basic steps. det(A - lamda i)
after finding the determinant i get
-L^3 + 7L + 6
L = lambda
cant figure out a way to factor that cubic.