62.3 Chapter 6. Laplace transforms. Problems page 172

62.3.1 problem 6.3 (a)
62.3.2 problem 6.3 (b)
62.3.3 problem 6.3 (d)
62.3.4 problem 6.3 (e)
62.3.5 problem 6.5
62.3.6 problem 6.11