2 years ago

Find a polynomial of degree 3 with zeros of 4, 2i and -2i

Mathematics

1 answer:

andre [41]2 years ago

7 0

$(x-4)(x-2i)(x+2i)=\\
(x-4)(x^2+4)=\\
x^3+4x-4x^2-16=\\
x^3-4x^2+4x-16$

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