Section 4.6
The Fundamental Theorem of Algebra
Number of zeros (counted with multiplicity); complex conjugate roots theorem.
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Chapter 4 · Polynomial Functions
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Lesson
Lesson on the Conjugate Zeros Theorem
Lesson
Lesson on Finding Zeros of (or Factoring) Polynomials
Examples
Examples Finding Zeros of Polynomials
Lesson
Lesson on Descartes' Rule of Signs