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Mathematics, 30.12.2019 07:31 1Angel2Got3Brains

Which polynomial will definitely have nonreal zeros?
hint: use descartes's rule of signs.

x3 − 2x2 − x − 2

x3 − 2x2 + x − 2

x4 + 8x2 + 16

x4 − 8x2 + 16

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Which polynomial will definitely have nonreal zeros?
hint: use descartes's rule of signs.
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