For the following matrix, compute
- its characteristic polynomial
- its eigenvalues
A=[0100012−54]
So I think I know to find the characteristic polynomial, I have to compute det(A-λI) = 0.
Which gives...
A−λI=[−λ100−λ12−54−λ]
−λ|−λ1−54−λ|−1|0124−λ|
After calculating the determinant I get, −λ(−4λ+λ2+5)+2=0
What do I do next? I'm completely stuck.
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