90.27 Chapter 6. Discontinuous Functions and the Laplace Transform. Exercises at page 425

90.27.1 problem 1
90.27.2 problem 2
90.27.3 problem 3
90.27.4 problem 4
90.27.5 problem 5
90.27.6 problem 6
90.27.7 problem 7
90.27.8 problem 8
90.27.9 problem 9
90.27.10 problem 10
90.27.11 problem 11
90.27.12 problem 12