Discrete Mathematics with Applications 4th Edition

Published by Cengage Learning
ISBN 10: 0-49539-132-8
ISBN 13: 978-0-49539-132-6

Chapter 5 - Sequences, Mathematical Induction, and Recursion - Exercise Set 5.1 - Page 243: 15

Answer

The formula is: $(-1)^{k}$$\frac{k}{k+1}$ For all positive k integers.

Work Step by Step

When k=0, 1, 2, 3, 4; we get 0, -1/2, 2/3, -3/4, and 4/5 respectively.
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