2. Find an example that meets the given specifications. (a). A 4 x 4 matrix with eigenvalues A2 and A-3 (multiplicity 3). (b). A 4 x 4 matrix that has no real eigenvalues. (c). Can you find a 3 x 3 matrix that has no real eigenvalues? г1 2 1 0-3-2 2 4 2 3. If possible, diagonalize the matrix A = = - [21]. Find P and D so that A= PDP-1, then compute A1000. L