The final exam is scheduled for 8-10 AM Friday 12/15. Here are some copies of final exams from previous semesters which might give some idea of what to expect (however note that in those semesters some different topics were covered): Old Final #1, Old Final #2 Old Final #3
During fnal exam week I will hold the following office hours: in PHSC 801
There will be a five point bonus added to the third exam score (since the score total inadvertently came to 95 rather than 100). Also the answers to problem 6 are: (a) P(26,6) = 26!/20! (b) 266 (c) 6×5×215 + 216 (d) C(31,6). [NOTES: Parts (a), (b) and (c) involve permutations since ordering is important in forming words but (d) involves combinations because once the six letters are chosen (in unordered fashion but with repetition allowed) there will be only one way to line them up in alphabetical order. Here think of 25 bars separating 26 compartments for the 26 letters of the alphabet and 6 stars representing the letters to be chosen.]
The third midterm took place on Monday, November 20. This exam covered section 3.3 and chapter 4 of the book. Here is a list of review problems and some answers to them involving the type of counting problems in chapter 4.
Upcoming assignments will be posted here:
Here are the past homework assignments, some with discussions and answers:
The second midterm took place on Wednesday, October 18 and covered sections 1.1, 1.2, 1.5, 1.6, 1.7, 2.4 and 2.5 of the textbook. Here is a sample exam 2 for review, and here are some answers to it.
Each student may receive a 20 point bonus (but with total not to exceed 100) on the first exam by passing a `gateway quiz' involving a basic proof from set theory. The quiz will be scored on a pass/fail basis and you may retake the quiz until you pass. Here are the first two rounds of the quiz with solutions and comments that you can study. If you are having difficulty with this please come talk with me during my office hours (or arrange another meeting time with me). If you haven't yet passed this gateway quiz please check with me at class or contact me by e-mail to arrange to take it again.
A Course Syllabus describes the course subject and policies and expectations for students.
The first test for the course took place in class on Monday, September 18. It covered sections 1.6, 1.7 and 1.8 of the textbook with an emphasis on elementary proof writing. Here is an exam from a previous semester and more review problems with answers.
Here are some comments about organizing and writing mathematical proofs.
The course textbook is the fifth edition** of "Discrete Mathematics and Its Applications"
by Kenneth H. Rosen
published by McGraw-Hill in 2003.
Since it now appears that the OU Bookstore won't be able to stock copies of the fifth edition of the
book, if you haven't procured a copy yet you should try to order one on the internet. I would recommend
trying half.com, amazon.com or possibly even ebay (you can find their web addresses easily with a google
search). It may facilitate your search to know the book's ISBN number is 0-07-242434-6.
In the class we really need to be able to refer to the book; it will become more critical very
soon.
Math 2513, Fall 2006
http://math.ou.edu/~amiller/2423/index.html