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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 8*n^2 <64*n*lgn .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        8 * n ^ 2 <64 * n * lg n         (1)
        From the definition field of lg
        x > 0        (2 )

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    From inequality(1)：
         n < 0 或  1.572314 < n < 6.5071
    From inequality(2)：
         n ＞ 0

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    From inequalities (1) and (2)
         1.572314 < n < 6.5071     (3)

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    The final solution set is :
         1.572314 < n < 6.5071

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