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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x1^2+x2^2 >= 328846.56/（x1x2） .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x * 1 ^ 2 + x * 2 ^ 2 >= 328846.56 / ( x * 1 * x * 2 )         (1)
        From the definition field of divisor
         x * 1 * x * 2 ≠ 0        (2 )

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    From inequality(1)：
         x ≥ 32.037929
    From inequality(2)：
         x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         x ≥ 32.037929    (3)

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    The final solution set is :
         x ≥ 32.037929

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