Show that if charL(x) has a non-zero root, then for all m>0 we have Lm≠0. Explain what this means that if there exists m such that Lm=0 then charL(x)=xn.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.5: Zeros Of Polynomial Functions
Problem 74E
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Show that if charL(x) has a non-zero root, then for all m>0 we have Lm≠0. Explain what this means that if there exists m such that

Lm=0 then charL(x)=xn.

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