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Find the polynomial function with roots 11 and 2i. help please:)
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(x-11)(x-2i)=x^2-(11+2i)x+22i?
if 2i is a root then -2i must be root
(x-11)(x-2i)(x+2i)=0
or for a real polynomial (x-11)(x^2+4)=x^3-11x^2+4x-44 but this also has -2i as a root as cinar says
Thank you:)
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