College Algebra 7th Edition

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

Chapter 1, Equations and Graphs - Section 1.6 - Solving Other Types of Equations - 1.6 Exercises - Page 139: 51


No solution.

Work Step by Step

$2x^{4}+4x^{2}+1=0$ We know that the equation above has no (real) solution because all the left terms are positive (even powers of $x$) and three positive terms can not add up to 0.
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