Answer
2
Work Step by Step
$\lim _{u\rightarrow 0}\dfrac {\left( u+1\right) ^{2}-1}{u}=\dfrac {\left( 1+u^{2}+2u\right) -1}{u}=2+u=2$
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 13 - Section 13.1 - Finding Limits Numerically and Graphically - 13.1 Exercises - Page 905: 13
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