- #1
LosTacos
- 80
- 0
Homework Statement
Find eigenvalue for matrix B= {[3,4,12],[4,-12,3],[12,3,-4]}
Homework Equations
The Attempt at a Solution
I set up the charactersitic polynomial and got the equation:
Pa(x) = (x-3)(x+12)(x+4) = x3 + 132 - 144 + 144 = x3 + 132
So I have 3 eigenvalues: 0, 13, -13. Is this correct?