Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.7 - Equations - Exercise Set - Page 106: 39

Answer

$f=\frac{1}{\frac{1}{p}+\frac{1}{q}}$

Work Step by Step

$\frac{1}{p}+\frac{1}{q}=\frac{1}{f}$ $f(\frac{1}{p}+\frac{1}{q})=1$ $f=\frac{1}{\frac{1}{p}+\frac{1}{q}}$
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