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12 October, 10:05

Find a quadratic equation with roots - 1+4i and - 1-4i.

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  1. 12 October, 10:34
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    Hello,

    (x - (-1+4i)) (x - (-1-4i)) = ((x+1) - 4i) ((x+1+4i)

    = ((x+1) ²+16

    =x²+2x+17
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