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31-07-2016
Mathematics

contestada

find a quadratic equation with the following roots .
5 +2i and 5-2i

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nobillionaireNobley nobillionaireNobley

04-08-2016

(x + 5 + 2i)(x + 5 - 2i) = x^2 + (5 - 2i)x + (5 + 2i)x + (5 + 2i)(5 - 2i) = x^2 + 5x - 2ix + 5x + 2ix + 25 - 10i + 10i + 4 = x^2 + 10x + 29 = 0

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