Answer
The statement is accurate.
Work Step by Step
We calculate sum of the first $n$ positive integers as:
$$S_n=\frac{n(n+1)}{2}$$
That is half the product of $n$ and $n+1$.
So, the statement is accurate.
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 7 - Section 7.2 - Arithmetic Sequences and Series - 7.2 Exercises - Page 646: 42
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