Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 10 - Section 10.7 - Partial Fractions - 10.7 Exercises - Page 750: 44

Answer

$x+1+\frac{1}{(x-2)^2}+\frac{2x+8}{(x-2)^2(x^2+2)}$

Work Step by Step

Step 1. Use long division (see page 269), first divide the numerator by $(x^2+2)$, the original function becomes $\frac{1}{(x-2)^2}(x^3-3x^2+x+2+\frac{2x+8}{x^2+2})$ Step 2. Use synthetic divisions (see page 270) to divide the polynomial part by the factor $(x-2)$ twice, the above expression becomes $x+1+\frac{1}{(x-2)^2}+\frac{2x+8}{(x-2)^2(x^2+2)}$ Step 3. We examine the above results and found that no further steps will be necessary.
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