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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (2n+1)*3^(n+1) >= 2020 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 * n + 1 ) * 3 ^ ( n + 1 ) >= 2020         (1)

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    From inequality(1)：
         n ≥ 3.939929

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    The final solution set is :
         n ≥ 3.939929

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