- #1
cscott
- 782
- 1
Homework Statement
I need the eigenvalues of [[3, -1][-1, 1]] (ie [[row1][row2]])
The Attempt at a Solution
A-xI = [[3-x, -1][-1, 1-x]]
so I get the characteristic polynomial x^2-4x+2=0 from det(A-xI)=0
Is this correct? Because I won't get integer eigenvalues from it
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