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21 July, 02:40

The princess traces one plant's roots to discover that it has exactly 5 roots. One of the roots she can trace to 2-3√5. At least two of the roots are the same and labeled - 4.

What conclusions can the princess draw about the other two roots?

There may be more than one correct answer. Select all correct answers.

-One of the other roots is 2 + 3√5

-One of the other roots could be another - 4.

-One of the other roots could be another 2 - 3√5

-One of the other roots is 3 + 2√5

-One of the other roots is 3 - 2√5

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Answers (1)
  1. 21 July, 03:38
    0
    complex roots occur in conjugate pairs

    given 2 - 3√5 is a root then 2 + 3√5 is also a root

    one of the other roots is 2 + 3√5

    there are 2 roots of - 4

    one of the other roots could be another - 4
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