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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -20+10((1+x)^5-1)/(x*(1+x)^5) >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -20 + 10 * ( ( 1 + x ) ^ 5 - 1 ) / ( x * ( 1 + x ) ^ 5 ) >0         (1)
        From the definition field of divisor
         x * ( 1 + x ) ^ 5 ≠ 0        (2 )

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    From inequality(1)：
         -1.003978 < x < 0.410415
    From inequality(2)：
         x < -1 或  -1 < x < 0 或  x ＞ 0

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    From inequalities (1) and (2)
         -1.003978 < x < -1 或  -1 < x < 0 或  0 < x < 0.410415     (3)

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    The final solution set is :
         -1.003978 < x < -1 或  -1 < x < 0 或  0 < x < 0.410415

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