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22 April, 20:12

If - 3 + i is a root of the polynomial function f (x), which of the following must also be a root of f (x) ? - 3 - i - 3i 3 - i 3i

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Answers (2)
  1. 22 April, 20:41
    0
    A

    Step-by-step explanation:

    It is A on edge 2020
  2. 22 April, 23:53
    0
    - 3 - i

    Step-by-step explanation:

    Complex roots occur in conjugate pairs.

    Thus if - 3 + i is a root then - 3 - i is a root
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