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25 October, 13:17

Write a quadratic equation in standard form with 2 + i and 2 - i as its roots

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  1. 25 October, 13:22
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    It is a polynomial that factors

    (x - (2+i) (x - (2-i))

    (x-2-i) (x-2+i)

    x^2-2x+ix-2x+4-2i-ix+2i+1

    x^2-4x+5=f (x)
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