College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 8, Sequences and Series - Section 8.1 - Sequences and Summation Notation - 8.1 Exercises: 67

Answer

$\sum_{k=1}^{25}2k$

Work Step by Step

We write the sum in sigma notation: (We notice that this is a sum of even numbers.) $2+4+6+...+50=\sum_{k=1}^{25}2k$
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