Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
eigenvalues[{{1,2,0},{2,−1,−2},{0,−2,1}}]
eigenvalues[{{1,2,0},{2,−1,−2},{0,−2,1}}]
Natural Language
Math Input
