23 Chapter 1, section 1.3. Abel Equations of the Second Kind. subsection 1.3.2. Equations of the form \(y y'=f(x) y+1\)

23.1 problem 1
23.2 problem 2
23.3 problem 3
23.4 problem 4
23.5 problem 5
23.6 problem 6
23.7 problem 7
23.8 problem 8
23.9 problem 9
23.10 problem 10
23.11 problem 11
23.12 problem 12