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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality m^2+1+sqrt（（m^2+1）^2+4m^2） <-2m .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         m ^ 2 + 1 + sqrt ( ( m ^ 2 + 1 ) ^ 2 + 4 * m ^ 2 ) < -2 * m         (1)
        From the definition field of √
         ( x ^ 2 + 1 ) ^ 2 + 4 * x ^ 2 ≥ 0        (2 )

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    From inequality(1)：
        The solution set is empty, that is, within the range of real numbers, the inequality will never be established!
    From inequality(2)：
         m ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!

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    The final solution set is :
        The solution set is empty,that is, the inequality will never be estatlished within the real number range.

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