Page 355 - Schaum's Outline of Differential Equations

ANSWERS

Answers to

Supplementary

Problems

CHAPTER 1

1.14. (a) 2; (b) y; (c) x 1.15. (a) 4; (£>) y; (c) x

1.16. (a) 2; (b) s; (c) t 1.17. (a) 4; (£>) y; (c) jc
1.18. (a) n; (b) x; (c) y 1.19. (a) 2; (£>) r; (c) y

1.20. (a) 2; (b) y; (c) x 1.21. (a) 7; (b) b; (c) p

1.22. (a) 1; (b) b; (c) p 1.23. (a) 6; (£>) y; (c) x
1.24. (d) and (e) 1.25. (a), (c), and (e)

1.26. (b), (d), and (e) 1.27. (a), (c), and (d)

1.28. (d) 1.29. (a), (c), and (d)

1.30. (b) and (e) 1.31. (a), (c), and (d)
1.32. c = 0 1.33. c = 1

1.34. c = e- 2 1.35. c = -3e- 4

1.36. c = 1 1.37. c can be any real number

1.38. c = -1/3 1.39. No solution
1.40. GI = 2, c 2 = 1; initial conditions 1.41. GI = 1, c 2 = 2; initial conditions

1.42. Cj = 1, c 2 = -2; initial conditions 1.43. Cj = c 2 = 1; boundary conditions

1.44. d = 1, c 2 = —1; boundary conditions 1.45. Ci = —1, c 2 = 1; boundary conditions

1.46. No values; boundary conditions 1.47. GI = c 2 = 0; initial conditions

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