51.3 section 3. First order odes solved using Laplace method

51.3.1 problem 1
51.3.2 problem 2
51.3.3 problem 3
51.3.4 problem 4
51.3.5 problem 5
51.3.6 problem 6
51.3.7 problem 7
51.3.8 problem 8
51.3.9 problem 9
51.3.10 problem 10
51.3.11 problem 11
51.3.12 problem 12
51.3.13 problem 13
51.3.14 problem 14