Find the characteristic equation and the eigenvalues (and corresponding eigenvectors) of the matrix. 8 −2 −4 1 (a) the characteristic equation (λ−9)λ=0 (b) the eigenvalues (enter your answers from smallest to largest.) (λ1, λ2) = 0,9 the corresponding eigenvectors x1 = 2,1 x2 = 1,−4