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

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. x3 − 2x2 − x − 2 x3 − 2x2 + x − 2 x4 + 8x2 + 16 x4 − 8x2 + 16

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