26. (a) The matrix has cigenvectors u, = [1. ]] and us [1. O]. What are the corresponding eigenvalues for these eigen- vectors? (b) The matrix 2 has eigenvectors u, = [1, 1] and u, = (1. - 1]. What are the corresponding eigenvalues for these cigen- vectors? (c) The matrix has eigenvectors u, = [-2, 1] and u, = [-3, 2). What are the corresponding eigenvalues for these eigenvectors