Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter P - P.3 - Functions and Their Graphs - Exercises - Page 27: 9

Answer

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

Work Step by Step

$ \frac{f(x)-f(2)}{x-2} $ $ \frac{ \frac{1}{\sqrt{x-1}} -\frac{1}{\sqrt{2-1}}}{x-2} $ $ \frac{ \frac{\sqrt{x-1}}{x-1} -1}{x-2} $ $ \frac{ \frac{\sqrt{x-1}}{x-1} -\frac{x-1}{x-1}}{x-2} $ $ \frac{ \frac{\sqrt{x-1} -x+1}{x-1}}{x-2} $ $ \frac{ \sqrt{x-1} -x+1 } {(x-2)(x-1)} $
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