21 Chapter 4. Power Series Solutions and Special Functions. Section 4.6. Gauss’s Hypergeometric Equation. Page 187

 21.1 problem 2(a)
 21.2 problem 2(b)
 21.3 problem 2(x)
 21.4 problem 2(d)
 21.5 problem 3
 21.6 problem 5