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9 October, 12:32

According to the complex conjugates theorem, if 5-i5 - i is a root of a function what else is a root?

Group of answer choices

: 5+i 5 + i

: - 5+i - 5 + i

: - 5-i - 5 - i

: - 5i

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Answers (1)
  1. 9 October, 15:06
    0
    5 + i

    Step-by-step explanation:

    The complex conjugates theorem states that if (a + ib) is a root of a polynomial equation then the complex conjugate (a - ib) will also be its root.

    Now, in our case (5 - i) is a root of a polynomial.

    The complex number (5 - i) has conjugate and it is (5 + i).

    Therefore, (5 + i) will also be a root of the same polynomial. (Answer)
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