59.15 Chapter 28, Distinct real eigenvalues. Exercises page 282

59.15.1 problem 28.2 (i)
59.15.2 problem 28.2 (ii)
59.15.3 problem 28.2 (iii)
59.15.4 problem 28.2 (iv)
59.15.5 problem 28.6 (iii)