[Solved] Use Descartes' Rule of Signs to determine

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Use Descartes' Rule of Signs to determine the possible number of positive and negative rational zeros of: f(x) = x 8 + x 5 +

Use Descartes' Rule of Signs to determine the possible number of positive and negative rational zeros of: f(x) = x⁸ + x⁵ + x⁴ - x³ + x² - x + 1

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