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anonymous

  • 4 years ago

Suppose you know that a 3rd degree polynomial has 6 and 3-i as two of its zeros What other zeros does the polynomial have?

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  1. anonymous
    • 4 years ago
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    that will be complex conjugate of 3 - i, hence 3 + i

  2. anonymous
    • 4 years ago
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    This assumes that the polynomial does not have any complex coefficient

  3. precal
    • 4 years ago
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    Complex solutions come in pairs - there is a theorem that states that if you know one of the solutions is 3-i you can assume 3+i is the other solution.

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