Answer
$\frac{x-y+1}{(x-y)^{2}}; x \ne y;$
Work Step by Step
$(x-y)^{-1} + (x-y)^{-2} $
$= \frac{1}{(x-y)} + \frac{1}{(x-y)^{2}} ; x \ne y;$ $[a^{-m} = \frac{1}{a^{m}}]$
Taking LCD,
$= \frac{x-y+1}{(x-y)^{2}}; x \ne y;$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.6 - Page 88: 108
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
