56.27 Chapter VII, Linear differential equations with constant coefficients. Article 50. Method of undetermined coefficients. Page 107

56.27.1 problem Ex 1
56.27.2 problem Ex 2
56.27.3 problem Ex 3
56.27.4 problem Ex 4
56.27.5 problem Ex 5
56.27.6 problem Ex 6
56.27.7 problem Ex 7
56.27.8 problem Ex 8
56.27.9 problem Ex 9