Page 393 - Schaum's Outline of Differential Equations
P. 393
376 ANSWERS TO SUPPLEMENTARY PROBLEMS
lt
lt
26.23. x = e + 2e-< y = e + 2e-< 26.24. x = 2e'+6e-' ;y = e' + 2e-'
st
s
26.25. x = f - + t y = t-l 26.26. x = k 3e ' + k 4e-' y = 2k^e - k 4e~'
t
t
26.28. x = -e + e~' y = e - e-'
26.29. jc = -8 cos t-6 sin t + S + 6t y = 4 cos - 2 sin - 3
f
f
CHAPTER 27
27.26. Ordinary point 27.27. Ordinary point
27.28. Singular point 27.29. Singular point
27.30. Singular point 27.31. Singular point
27.32. Ordinary point 27.33. Singular point
27.34. Singular point
27.35. where c l = a Q — a : and c 2 = a 1
27.36. RF (recurrence formula):
