Find a polynomial of degree 4 that has a real coefficient and has 3,2 and 2+i as some of its roots

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Complex Numbers
Section4.2: Complex Solutions Of Equations
Problem 7ECP: Find the cubic polynomial function f with real coefficients that has 1 and 2+i as zeros, and f2=2.
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Find a polynomial of degree 4 that has a real coefficient and has 3,2 and 2+i as some of its roots

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