Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter R - Elementary Algebra Review - R.6 Rational Expressions and Equations - R.6 Exercise Set: 3

Answer

The expression is undefined if $p=2$ or $p=-2$.

Work Step by Step

A fraction is undefined, if the denominator equals to zero. Here: $p^2-4=0$ $p^2=4$ The two solutions are: $p=2$ or $p=-2$ The expression is undefined if $p=2$ or $p=-2$.
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