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Math Help - Given 2 imaginary roots find other 2 roots

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    Given 2 imaginary roots find other 2 roots

    A quartic polynomial Q(x) with real coefficients has zeros 2+i and 3-2i, find the other two zeros.
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    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by JOhkonut View Post
    A quartic polynomial Q(x) with real coefficients has zeros 2+i and 3-2i, find the other two zeros.
    complex roots come in conjugate pairs, so without doing any calculation we know the other two roots are 2 - i and 3 + 2i
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