62.9 Chapter 2, differential equations of the first order and the first degree. Article 16. Integrating factors by inspection. Page 23

62.9.1 problem Ex 1
62.9.2 problem Ex 2
62.9.3 problem Ex 3
62.9.4 problem Ex 4
62.9.5 problem Ex 5
62.9.6 problem Ex 6