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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （1-2y）²－4（2y－1）（3y＋1） ≥0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 1 - 2 * y ) ^ 2 - 4 * ( 2 * y - 1 ) * ( 3 * y + 1 ) ≥0         (1)

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    From inequality(1)：
         -1/2 ≤ y ≤ 1/2

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    The final solution set is :
         -1/2 ≤ y ≤ 1/2

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