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8 March, 05:30

If you quadratic equation has two complex roots and one of the roots is x+2i, what is the second root?

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  1. 8 March, 09:07
    0
    x-2i

    Step-by-step explanation:

    Complex roots come in pairs, called complex conjugates

    If you have a root a+bi, the other root is a-bi

    Since you have one root x+2i, the other root is x-2i
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