Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x^5+4x^3-x ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x ^ 5 + 4 * x ^ 3 - x ≥0         (1)

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    From inequality(1)：
         -0.485868 ≤ x ≤ 0 或  x ≥ 0.485868

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    The final solution set is :
         -0.485868 ≤ x ≤ 0 或  x ≥ 0.485868

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