Math 261 Suggested Problems
   
12.1 1, 5, 7, 9, 11, 13, 15, 18, 20, 21, 31, 35
12.2 3, 5, 7, 10, 11, 15, 19, 21, 23, 25, 28, 31, 32, 37*
12.3 3, 5, 7, 15, 16, 19, 23, 25, 29, 39, 41, 45, 51, 53, 57, 57*
12.4 1, 3, 6, 7, 9, 14, 16, 19, 20, 27, 29, 31, 33, 35, 39, 41, 46*, 52*
12.5 3-15 odd; 18, 19, 23-37 odd;, 47, 49, 59, 60
12.6 3, 5, 6, 11-37 odd.
   
13.1 4, 6, 7, 9, 10,15,17, 17, 19-24, 29, 33
13.2 9, 12, 13, 17, 19, 21, 25, 31, 34, 35
13.2 1, 3, 5, 13, 17, 19, 21, 23, 24, 25
13.4 3, 7, 9, 11, 23*, 25*, 33-38. Read Section on Kepler's Laws
   
14.1 9, 11, 12 15, 16, 23, 25, 29, 32, 45, 53, 54, 57, 62, 67-70
14.2 5, 6, 9, 12, 13, 14, 16, 18, 24, 39, 40
14.3 15-35 odd; 42, 47-50; 53, 59, 75, 76, 78, 79, 81, 87*, 88* 
14.4 1-5 odd; 11-15 odd; 25-30
14.5 1-11 odd; 17-20; 21-25 odd; 45-47, 49, 50, 53*
14.6 4-17 odd, 21-25 odd, 30, 32, 36, 41-45 odd, 51*, 58, 67
14.7 5, 6, 7, 9, 10, 11, 12, 13, 15, 18 
14.8 3, 4, 5, 7, 9, 11, 15, 16
   
15.1 (1, 3, 4, 7,  Maple), 9-10,  15-21 odd, 24, 27, 29,33, 39, 42
15.2 3, 5, 9, 10, 13, 15, 17, 19, 21, 23, 27, 29, 30, 51-56 
15.3 1, 5, 7-27 odd; 29, 32, 40, 41  
15.4 3, 6, 7, 11, 13, 17, 18
15.5 1, 3, 5, 7, 10, 11, 12, 13, 14,  24* 
15.6 3-21 odd; 29, 33, 35, 44*,  46, 48
15.7 1-11 odd; 17-23 odd; 24, 27, 28
15.8 1-9 odd; 21-29 odd; 30, 35, 41-43, 48*
15.9 1-6; 15, 16, 17
   
16.1 1, 4, 5 , 6, 11, 21-26; 29 
16.2 1, 3, 5, 7, 11, 15, 19-22; 39, 40, 41, 52*
16.3 3-9 odd; 13-20; 23, 29, 30, 36*
16.4 1-13 odd; 17, 19
16.5 1-7, 12, 13-18; 25, 30, 31, 33*, 34*, 38*
16.6 3, 4, 5, 6, 13, 19-25 odd; 32*, 33, 39, 41, 45, 47, 62*, 64*
16.7 5-15 odd; 21, 23, 24, 25 27, 29, 32, 39, 49*
16.8 1-9 odd; 13, 14, 15, 17, 18, 23*, 30*
16.9 1-13 odd; 17
16.10 All :-)