- #1
Ortix
- 64
- 0
Homework Statement
I have to find for which "a" an eigenvalue for the following system is 0.
The system:
1 -1 1
-1 2 -2
0 a 1
Homework Equations
My characterstic equation:
(1-λ)(2-λ)(1-λ)+2a -(1-λ) -a = 0
The Attempt at a Solution
I then proceed:
(1-λ)(λ2-3λ-2+a) = 0
but then I'm kind of clueless.. Now what?