SOLUTION: what is the polynomial of least degree that includes the zeroes -5, 1+3i, 1-3i?
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Question 549291: what is the polynomial of least degree that includes the zeroes -5, 1+3i, 1-3i?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what is the polynomial of least degree that includes the zeroes -5, 1+3i, 1-3i?
f(x) = (x+5)(x-1-5i)(x-1+5i)
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f(x) = (x+5)((x-1)^2+25)
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f(x) = (x+5)(x^2-2x+26)
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f(x) = x^3+3x^2+16x+130
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Cheers,
Stan H.
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