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15 November, 21:52

P (x) with rational coefficients has the given roots (i and 7 + 8i) Find two additional roots?

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  1. 16 November, 01:06
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    P (x) has the given roots: (i, 7 + 8 i).

    The complex roots of a polynomial P (x) with rational coefficients come in pair as:

    a + b i and a - b i;

    Additional roots are: - i, 7 - 8 i.
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