Precalculus (6th Edition) Blitzer

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

Chapter P - Test - Page 146: 50



Work Step by Step

$R=\frac{as}{a+s}$ $R(a+s)=as$ $Ra+Rs=as$ $Ra-as=-Rs$ $a(R-s)=-Rs$ $a=\frac{-Rs}{R-s}$
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