College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.7 - Rational Expressions - P.7 Exercises - Page 51: 48



Work Step by Step

We form a common denominator: $\displaystyle \frac{2}{a^{2}}-\frac{3}{ab}+\frac{4}{b^{2}}=\frac{2b^{2}}{a^{2}b^{2}}-\frac{3ab}{a^{2}b^{2}}+\frac{4a^{2}}{a^{2}b^{2}}=\frac{2b^{2}-3ab+4a^{2}}{a^{2}b^{2}}$
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