Let u = - - and w = [-2 De vectorsin f', Let A be a3 X 3 diagonalizable matixsuch that Au = o . AV = and Aw = - 2 - (a) Find an invertible 3 x 3 matrix P and a diagonal 3 x 3 matrix D such that P-1 AP = D. P = (b) Find the matrix A. A = (c) Calculate A3 using the information found in part (a). A' =