Online Course Discussion Forum

Math Challenge III 2.7

 
 
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Re: Math Challenge III 2.7
by Dr. Kevin Wang - Thursday, 9 July 2020, 12:23 AM
 

The Polynomial Factor theorem says: a polynomial $P(z)$ has a factor $(z-a)$ if and only if $P(a)=0$.  Here you can let $a=\omega$ and $a=\omega^2$.