Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Appendix A - Appendix A Exercises - Page 1158: 17

Answer

$4uv$

Work Step by Step

$x^{2}-y^{2}=\left( x-y\right) \left( x+y\right) \Rightarrow$ $ \left( u+v\right) ^{2}-\left( u-v\right) ^{2}=\left( \left( u+v\right) -\left( u-v\right) \right) \left( \left( u+v\right) +\left( u-v\right) \right) =2v\times 2u=4uv$
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