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Mathematics, 25.07.2019 00:00 mparra4761

What are the possible numbers of positive real, negative real, and complex zeros of f(x) = 8x4 + 13x3 − 11x2 + x + 9? positive real: 1  negative real: 3 or 1  complex: 2 or 0  positive real: 2 or 0  negative real: 0  complex: 2 or 4  positive real: 3 or 1  negative real: 1  complex: 2 or 0  positive real: 2 or 0  negative real: 2 or 0  complex: 4, 2 or 0

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What are the possible numbers of positive real, negative real, and complex zeros of f(x) = 8x4 + 13x...
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