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17 September, 21:25

What are the possible rational zeros of f (x) = x^4 + 6x^3 - 3x^2 + 17x - 15?

± 1, ± 3, ± 5, ± 15

± 1, ± 1/3, ± 1/5, ± 1/15

± 1, ± 3, ± 6, ± 15, ± 17

± 1, ± 1/3, ± 1/6, ± 1/15, ± 1/17

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Answers (1)
  1. 18 September, 00:38
    0
    Hmm, I got these for roots:

    0.7937053103356799

    0.026855090968934903 + i * 1.6611004538114105

    0.026855090968934903 - i * 1.6611004538114105

    -6.84741549227355
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