(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I need the eigenvalues of [[3, -1][-1, 1]] (ie [[row1][row2]])

3. 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

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Integer eigenvalues problem

**Physics Forums | Science Articles, Homework Help, Discussion**