Due: 23 November 2015
32. page 621, 13.1.5
33. page 626, 13.2.10
34. page 626, 13.2.14
35. page 632, 13.3.7
36. page 637, 13.4.2
37. (a) Discuss the possibility of extending the d'Alembert solution to the
two-dimensional equation wave equation. (b)
Discuss the possibility of solutions of the
form u(x,t) = eλx+μy for the equation,