Page 358 - Schaum's Outline of Differential Equations
P. 358
ANSWERS TO SUPPLEMENTARY PROBLEMS 341
CHAPTER 5
5.24. xy + x y +y = c 2 5.25. Not exact
2 3
2
5.27. ^3; + / = c 2
5.28. xy = c 2 5.29. Not exact
2 C l
5.30. xy sin x + y = c 2 5.31. y = 2
5.32. y = c 2t 2 5.33. Not exact
5.34. ty-fy = C 2
5.39. Not exact
5.40. t cos x + x sin t = c 2
5.52. I(x, y) = l (the equation is exact);
5.61. No solution