Given that z=1+2i and z=1-2i are roots to polynomial 2z^3-5z^2-cz-5=D0, where ER find the other root and c. Value of z is and c is

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.1: Verifying Trigonometric Identities
Problem 54E
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Given that z=1+2i and z=1-2i are roots to
polynomial 2z^3-5z^2-cz-5=D0, where ER find the
other root and c.
Value of z is and c is
Transcribed Image Text:Given that z=1+2i and z=1-2i are roots to polynomial 2z^3-5z^2-cz-5=D0, where ER find the other root and c. Value of z is and c is
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