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2 January, 23:09

A polynomial function P (x) with rational coefficients has the given roots find two additional roots of P (x) = 0 i and 7+8i

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  1. 3 January, 00:48
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    Note that if a + bi is a root of P (x) = 0, then a - bi is also a root of P (x) = 0.

    In this case, i and 7 + 8i are two roots of P (x) = 0. So - i and 7 - 8i are two additional roots of P (x) = 0.
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