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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality lnx ex .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
         ln x < x         (1)
        From the definition field of ln
        x > 0        (2 )
         x > e x         (3)

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    From inequality(1)：
         x ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(2)：
         x ＞ 0
    From inequality(3)：
        The solution set is empty, that is, within the range of real numbers, the inequality will never be 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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