Answer
$2a+h$
Work Step by Step
$\dfrac {\left( a+h\right) ^{2}-a^{2}}{h}=\dfrac {a^{2}+2ah+h^{2}-a^{2}}{h}=\dfrac {2ah+h^{2}}{h}=2a+h$
Calculus: Early Transcendentals (2nd Edition)
by Briggs, Bill L.; Cochran, Lyle; Gillett, Bernard
Published by
Pearson
ISBN 10:
0321947347
ISBN 13:
978-0-32194-734-5
Appendix A - Appendix A Exercises - Page 1158: 18
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