Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 3 - Polynomial and Rational Functions - Section 3.3 Complex Zeros; Fundamental Theorem of Algebra - 3.3 Assess Your Understanding - Page 231: 5



Work Step by Step

The given statement is the result of the Fundamental Theorem of Algebra and the Factor Theorem. The fundamental theorem of algebra states every non-constant single-variable polynomial with complex coefficients must attain at least a complex root. The factor theorem states that when $f(a)=0$, then we have $(x-a)$ as a factor of $f(x)$ and when $(x-a)$ is a factor of $f(x)$, then $f(a)=0$. Therefore, the given statement is True.
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