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16 November, 21:50

Which is the least possible degree of a polynomial that has roots - 5,1+4i, and - 4i

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  1. 16 November, 23:38
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    The non real roots 1+4i and - 4i will also have their complements as roots: - 1 - 4i and 4i

    So the least number of roots = 5 and this will also be the least possible degree of the polynomial.

    answer 5
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