SOLUTION: write a polynomial function of least degree with integral coefficients that have the given zero 3i

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Question 993637: write a polynomial function of least degree with integral coefficients that have the given zero 3i
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
write a polynomial function of least degree with integral coefficients that have the given zero 3i
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If the coefficients are integral and 3i is a zero, -3i is also a zero.
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Ans: y = (x-3i)(x+3i)
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y = (x^2 - (3i)^2)]
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y = x^2 + 9
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Cheers,
Stan H.