Answer
True.
$\displaystyle \sum_{k=1}^{8}3k=3\displaystyle \sum_{k=1}^{8}k$
Work Step by Step
$\displaystyle \sum_{k=1}^{8}3k=3(1)+3(2)+3(3)+3(4)+3(5)+3(6)+3(7)+3(8)=3(1+2+3+4+5+6+7+8)=3\displaystyle \sum_{k=1}^{8}k$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - Review Exercises - Page 842: 103
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