-1 5 -1 For the given matrix A = 0 -3 0 -4 7 2 (a) Find all eigenvalues and present them in the ascending order. [25 marks] (b) Which of two given vectors VI and v2 is the eigenvector of the matrix A, where v₁¹ = (1, 0, 4) and v₂ = (1, 0, -4)? What is the corresponding eigenvalue?