83.14 Chapter X. Solution in power series. Ex. XVIII at page 174

83.14.1 problem 1
83.14.2 problem 2 (a)
83.14.3 problem 2 (b)
83.14.4 problem 2 (c)
83.14.5 problem 2 (d)
83.14.6 problem 2 (e)
83.14.7 problem 2 (f)
83.14.8 problem 2 (g)
83.14.9 problem 3