Answers to Selected Exercises Applied Combinatorics

Answers to Selected Exercises37 Applied Combinatoricsby Fred S. Roberts and Barry TesmanAnswers to Selected Exercises1 Chapter 9 Section ;2(b). it must be a multiple of 6;6(a). (a).no;3(a).no;4(a).yes;5(a). cannot be sure;5(c). cannot be sure; ; ;11(a).no;11(b). (1)=312123231,A(2)=231123312;1 More solutions to come. Comments/Corrections would be appreciated and should be sent to:Barry Tesman or Fred Roberts to Selected Exercises19. 1114122113321443212322122341243431313244 331334224142423343244411 ;22(a).yes;22(b).no;22(c). (a).2;2(b).a+b=9,a b=8;5(c).no;7(b). 258;10(a).+01234 01234001234 000000112340 101234223401 202413334012 303142440123 40432111(b).2;13(a).3;7;15(a). (a).notaBIBD;2(a).b=50,r= 25; Answers to Selected Exercises393(a).r(k 1) = (v 1); :b vfails;9(a). {1,2}{1,3}{2,4}{1,2,3}{2,3,4}1110 1 02101 1 13010 1 14001 0 1 ;10(a). 3222232222322223 ;18. 737; ,v=13,r=20,k=10, = 15;26(a).thisisa(4m 1,2m 1,m 1)-design,m=23;35(a).no:k is not a square;41.

Answers to Selected Exercises 37 Applied Combinatorics by Fred S. Roberts and Barry Tesman Answers to Selected Exercises1 Chapter 9 Section 9.1. 1. 1432

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