Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-2 Multiplying and Dividing Rational Expressions - Lesson Check: 9

Answer

Undefined

Work Step by Step

Consider if $b, c, $ or $d$ equals zero. Then in one of the expressions $\frac{a}{b}\div\frac{c}{d}$ or $\frac{a}{b}\cdot\frac{d}{c}$, the denominator of one of the fractions will be zero. Dividing by zero will yield an undefined result, so it will not work.
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