2. Find all the roots of f (z) = 220 + 81/3 – j81
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
Section12.6: Solving Problems Involving Quadratic Equations
Problem 7P
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Answer number 2 only.
Express your answer in rectangular form both in exact value and approximate value.
Graph the roots in an Argand diagram showing the magnitude and angle of each of the roots.
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