Francesca has 20 different books but the shelf in her dormitory residence will hold only 12 of
Question:
(a) In how many ways can Francesca line up 12 of these books on her bookshelf?
(b) How many of the arrangements in part (a) include Francesca's three books on tennis?
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Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
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