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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （2*a^2-1)e(-a^2) >= -1/10 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 * a ^ 2 - 1 ) * e ( -a ^ 2 ) >= -1 / 10         (1)

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    From inequality(1)：
         a ≤ -0.650865 或  a ≥ 0.650865

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    The final solution set is :
         a ≤ -0.650865 或  a ≥ 0.650865

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