Exercises from Section 5.1 page 249-250: 
  Do these problems: 1, 2, 9, 10, 11, 13, 14, 19, 20, 21-27.
  To turn in: 9, 11, 13, 14, 20, 24, 25, 26.
    Comment:  # 11 is a VERY SHORT infinite series.  Most coefficients are zero.
    Comment: #14: You can use the geometric series result (coefficients and radius of convergence).

Exercises from Section 5.2 page 259-261: 
  Do these problems: 1, 2, 8, 15, 22.
  To turn in: 2, 8, 15.
    Comment: #15: Print out the graph.

Exercises from Section 5.3 page 265-268: 
  Do these problems: 10, 11, 13, 17, 18, 22, 23, 24.
  To turn in: 10, 11, 18.
    Comment: 11-14 to show they form a fundamental set check an easy point x.