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

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

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    From inequality(1)：
         -0.828427 < n < 4.828427

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    The final solution set is :
         -0.828427 < n < 4.828427

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