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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (4a-3a/4)^2-a^2/16 ≤a^3 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 4 * a - 3 * a / 4 ) ^ 2 - a ^ 2 / 16 ≤ a ^ 3         (1)

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    From inequality(1)：
         a ≥ 21/2

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    The final solution set is :
         a ≥ 21/2

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