Answer
All real numbers except 1
Work Step by Step
Expression : $\frac{x^{2}-1}{(x-1)^{2}}$
Since x=1 makes the denominator zero and division by zero is undefined, the function is defined for all values other than x=1.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.5 - Rational Expressions - Exercises - Page 48: 9
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