College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 1 - Equations and Inequalities - Exercise Set 1.2 - Page 121: 110

Answer

You find restrictions on the variable in a rational equation by setting the denominator equal to $0$ because dividing by zero always yields no solution.

Work Step by Step

Set the denominator equal to $0$ to find numbers that are not part of the domain.
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