19_Counting - # of permutations that do not start with 987,...

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Principle of Inclusion-Exclusion (PIE) 10/27/11
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Generalized Principle of Inclusion and Exclusion (PIE)
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Applications of PIE
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Example, Section 8.6, Page 560
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Examplel 1, Section 8.6
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15, Section 8.5 Count all 10 digit permutations that start with 987 or have 45 in the middle or end with 123.
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Unformatted text preview: # of permutations that do not start with 987, do not have 45 in he middle and do not have 123 at the end. Not solved in the class...
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19_Counting - # of permutations that do not start with 987,...

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