Discrete Mathematics with Applications 4th Edition

by Epp, Susanna S.

Published by Cengage Learning

ISBN 10: 0-49539-132-8

ISBN 13: 978-0-49539-132-6

Chapter 4 - Elementary Number Theory and Methods of Proof - Exercise Set 4.5 - Page 197: 26

Answer

Let $x$ be any real number such that $x-\lfloor x\rfloor$

Work Step by Step

For the last step, note that we are simply exploiting the definition of $\lfloor y\rfloor=n$ for $n\leq y$

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