SOLUTION: n=4 i and 2i are zeros f(-2)=120 f(x)=

Question 1185503: n=4
i and 2i are zeros
f(-2)=120
f(x)=
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

and are zeros

first use given zeros to find polynomial
if and are zeros, then we also have and (complex zeros always come in pairs)
......substitute zeros

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