Answer
It cubes $x$.
Work Step by Step
It cubes $x$. (Because $\frac{1}{x}+\frac{1}{x^2}+\frac{1}{x^3}=\frac{x^2+x+1}{x^3}$ and $\frac{1}{x^4}+\frac{1}{x^5}+\frac{1}{x^6}=\frac{x^2+x+1}{x^6}$)
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.6 - Page 88: 109
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