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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality （a（a-1））^2-4（1-a） <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( a * ( a - 1 ) ) ^ 2 - 4 * ( 1 - a ) <0         (1)

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    From inequality(1)：
         -1.314596 < a < 1

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    The final solution set is :
         -1.314596 < a < 1

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