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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 49x^4-1376x^2+256 ≤0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        49 * x ^ 4 - 1376 * x ^ 2 + 256 ≤0         (1)

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    From inequality(1)：
         -5.281509 ≤ x ≤ -0.432777 或  0.432777 ≤ x ≤ 5.281509

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    The final solution set is :
         -5.281509 ≤ x ≤ -0.432777 或  0.432777 ≤ x ≤ 5.281509

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