College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.6 - Factoring - P.6 Exercises - Page 42: 57


$\displaystyle \frac{x^{2}+3}{\sqrt{x^{2}+1}}$

Work Step by Step

$(x^{2}+1)^{1/2}+2(x^{2}+1)^{-1/2}=(x^{2}+1)^{-1/2}[(x^{2}+1)+2]=\displaystyle \frac{x^{2}+3}{\sqrt{x^{2}+1}}$
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