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

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

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

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    From inequalities (1) and (2)
         x ≥ 0    (3)

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    The final solution set is :
         x ≥ 0

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