Title

A Rational Root Theorem For Complex Roots

Document Type

Article

Publication Date

11-2003

Publication Title

The College Mathematics Journal

ISSN

1931-1346

Abstract

Using this nice extension of the rational root theorem, you can see almost at a glance that the only possible rational complex roots of x4 + 2x3 + 8x2 + 6x + 15 = 0 are ± 1 ± 2i and ± 2 ± i .

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