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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 900×［(1+x)^10-1］/x（1+x）^10 >3000 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        900 × ( ( 1 + x ) ^ 10 - 1 ) / x * ( 1 + x ) ^ 10 >3000         (1)
        From the definition field of divisor
        x ≠ 0        (2 )

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    From inequality(1)：
         x ＞ -0.074541
    From inequality(2)：
         x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         -0.074541 < x < 0 或  x ＞ 0    (3)

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    The final solution set is :
         -0.074541 < x < 0 或  x ＞ 0

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