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20 July, 18:35

A polynomial has root that equals 4+17i. Name other of this polynmal

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Answers (2)
  1. 20 July, 18:41
    0
    If there is a root with i, there is also a root with - i.

    If one root is 4+17i, then another root is 4-17i.
  2. 20 July, 21:37
    0
    If we know the polynomial has real coefficients, the complex roots come in conjugate pairs so another root is

    4 - 17 i
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