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OpenStudy (anonymous):
Find a polynomial function with real coefficients that has the given zeros. (There are many correct answers.) 4, 1 − 4i . this is my incorrect answer. x^3-6x^2+25x-68
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OpenStudy (nenadmatematika):
(x-4)(x+1)(x-4i)(x+4i)=(x-4)(x+1)(x^2+16) now multiply these carefully and you'll get the correct answer...if you don't understand I can explain it for you...:D
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