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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （1+X）e^（-X) >= 0.01 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 1 + X ) * e ^ ( -X ) >= 0.01         (1)

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    From inequality(1)：
         -0.996308 ≤ X ≤ √308474027/√7000000

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    The final solution set is :
         -0.996308 ≤ X ≤ √308474027/√7000000

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