CSCI 250 Spring 2012
Discrete Structures
Archived Class
Charles Cusack
Computer Science
Hope College
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Homework 21

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SectionProblemNotes
1.814This one is really easy if you try some examples. You will quickly discover whether or not it is true.
2.416fRecall that sometimes you are better off not multiplying everything out as you go. Also, this one might be more clear if you work downward.
6.338
Review Question2On page 634