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Unformatted text preview: A 1 if and only if they are neighbours in A 2 ? 5. Show that, if n is a positive integer, then n X k =0 k n k = n 2 n1 . 6. I wish to place n objects into k boxes, such that each box has at least one object . The number of ways in which this can be done depends upon whether the boxes and the objects are labeled or not. Boxes labeled Boxes unlabeled Objects labeled Objects unlabeled Please ll in the table with the number of ways in which these four tasks can be done. Note: some of the boxes wont have nice closed forumlas. Math 240 Assignment 4 Fall 2009 Marker: Gabriel Charette Instructor: Benjamin Young Date: Name: Student Number:...
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This note was uploaded on 10/03/2010 for the course MATH 240 taught by Professor Szabo during the Spring '08 term at McGill.
 Spring '08
 SZABO
 Math

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