3 Chapter 2. Special types of differential equations of the first kind. Lesson 9

  3.1 problem Exact Differential equations. Exercise 9.4, page 79
  3.2 problem Exact Differential equations. Exercise 9.5, page 79
  3.3 problem Exact Differential equations. Exercise 9.6, page 79
  3.4 problem Exact Differential equations. Exercise 9.7, page 79
  3.5 problem Exact Differential equations. Exercise 9.8, page 79
  3.6 problem Exact Differential equations. Exercise 9.9, page 79
  3.7 problem Exact Differential equations. Exercise 9.10, page 79
  3.8 problem Exact Differential equations. Exercise 9.11, page 79
  3.9 problem Exact Differential equations. Exercise 9.12, page 79
  3.10 problem Exact Differential equations. Exercise 9.13, page 79
  3.11 problem Exact Differential equations. Exercise 9.15, page 79
  3.12 problem Exact Differential equations. Exercise 9.16, page 79
  3.13 problem Exact Differential equations. Exercise 9.17, page 79