Question

let the matrix A =

(10 | 10
-4 | -3)

Find the eigenvalues for A and for each find the corresponding eigenvector.

Also express A in the form PDP^-1

Answer 1

using your standard methods, see whether you come up with this:

http://www.wolframalpha.com/input/?i=eigenvalues+%7B%7B10,10%7D,%7B-4,-3%7D%7D