67.16 Chapter 24. Variation of parameters. Additional exercises page 444

67.16.1 problem 24.1 (a)
67.16.2 problem 24.1 (b)
67.16.3 problem 24.1 (c)
67.16.4 problem 24.1 (d)
67.16.5 problem 24.1 (e)
67.16.6 problem 24.1 (f)
67.16.7 problem 24.1 (g)
67.16.8 problem 24.1 (h)
67.16.9 problem 24.1 (i)
67.16.10 problem 24.1 (j)
67.16.11 problem 24.1 (k)
67.16.12 problem 24.1 (L)
67.16.13 problem 24.1 (m)
67.16.14 problem 24.1 (n)
67.16.15 problem 24.2 (a)
67.16.16 problem 24.2 (b)
67.16.17 problem 24.3 (a)
67.16.18 problem 24.3 (b)
67.16.19 problem 24.4 (a)
67.16.20 problem 24.4 (b)
67.16.21 problem 24.4 (c)
67.16.22 problem 24.4 (d)