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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 3x^2+2x+1/x^2+x+2 <= 1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        3 * x ^ 2 + 2 * x + 1 / x ^ 2 + x + 2 <= 1         (1)
        From the definition field of divisor
        x ≠ 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)：
         x < 0 或  x ＞ 0

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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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