Given that z=1+2i and z=1-2i are roots to the polynimial equation 2z3 - 5z2 +cz -5=0, where c Element of Real numbers. Find the other root and the value of c. what is c and z?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.4: Graphs Of Quadratic Equations: The Discriminant
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Given that z=1+2i and z=1-2i are roots to the polynimial equation 2z3 - 5z2 +cz -5=0, where c Element of Real numbers. Find the other root and the value of c. what is c and z?

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