Math 372 Homework # 4
March 23, 2015
Hi kids, here are the selected solutions to homework # 4. Enjoy!
6.1.2a For e1 + e2 + e3 + e4 + e5 = r, we know that our generating function will have 5
factors. That each of the ei must satisfy 0 ei 5, we know that th

MATH 372 HW # 3 SELECTED SOLUTIONS
Hi everyone, here are some selected solutions to your homework # 3. Enjoy!
5.1.9 (a) There are 4 ways to pick an ace, and for each of those choices, there are 51 - 4
= 47 cards that are not a queen left. So, there are 4

HW # 2 Selected Homework Solutions
March 4, 2015
Hello everyone, here are selected solutions to the second homework assignment. Enjoy!
2.1.1a We notice that every vertex has even degree, and so an Euler cycle exists. Here is
one:
1 2 3 4 5 6 7 1 4 7 3 6 2

MATH 372 HW # 1 SELECTED SOLUTIONS
Hi kids, here are some selected solutions to the rst homework assignment. Enjoy!
1.2.3a Here are two such graphs that are not isomorphic:
C
B
C
B
D
A
E
1.2.5a
1.3.1
1.3.9
1.4.8
D
F
A
E
F
are not isomorphic, since the for