2 2 1 A=11 3 1 1 2 2 A =5 is an eigenvalue of A and (1,1,1) is a corresponding eigenvector. A = 1 is an eigenvalue of A of multiplicity 2. (a) What is the characteristic polynomial of A? (b) Find the eigenvector(s) corresponding to A = 1. (c) Find the general solution of x' = Ax