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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 5*i*(1+i)^7 <2*(1+i)^7-2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        5 * i * ( 1 + i ) ^ 7 <2 * ( 1 + i ) ^ 7 - 2         (1)

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    From inequality(1)：
         0 < i < 0.35141

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    The final solution set is :
         0 < i < 0.35141

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