Answer
2$n^2$+2n+1
Work Step by Step
s=$n^2$+$(n+1)^2$
s=$n^2$+$n^2$+2n+1
s=2$n^2$+2n+1
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.7 - Modeling with Equations - 1.7 Exercises - Page 75: 10
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