Let X be a set with exactly 5 elements and Y be a set with exactly 7

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Let X be a set with exactly 5 elements and Y be a set with exactly 7 elements. If ? is the number of one-one functions from X to Y and ? is the number of onto functions from Y to X, then the value of (1/5!)(? – ?) is

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Introduction to the theory of computation

ISBN: 978-0470530658

3rd edition

Authors: Michael Sipser

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Posted Date: Dec 23, 2022 04:28 AM

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Let X be a set with exactly 5 elements and Y be a set with exactly 7

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