SOLUTION: One root of the polynomial equation 0=x^3-4x^2+9x-10 is 1-2i. Find an additional root.
A.-2+i B.-1-2i C.2+i D.1+2i
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Question 452949: One root of the polynomial equation 0=x^3-4x^2+9x-10 is 1-2i. Find an additional root.
A.-2+i B.-1-2i C.2+i D.1+2i
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The complex conjugate of the given root, 1 + 2i, is also a root. So the answer is d.
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