Corollary 2 Factor Theorem Let F be a field, a E F, and f(x) E F[x]. Then a is a zero of f(x) if and only if x – a is a factor of f(x).

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.3: Factorization In F [x]
Problem 5E: Let F be a field and f(x)=a0+a1x+...+anxnF[x]. Prove that x1 is a factor of f(x) if and only if...
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Prove Corollary 2

Corollary 2 Factor Theorem
Let F be a field, a E F, and f(x) E F[x]. Then a is a zero of f(x) if
and only if x – a is a factor of f(x).
Transcribed Image Text:Corollary 2 Factor Theorem Let F be a field, a E F, and f(x) E F[x]. Then a is a zero of f(x) if and only if x – a is a factor of f(x).
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