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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality sqrt(x+1)     Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         sqrt ( x + 1 ) < x         (1)
        From the definition field of √
         x + 1 ≥ 0        (2 )

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    From inequality(1)：
         x ＞ 1.618034
    From inequality(2)：
         x ≥ -1

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    From inequalities (1) and (2)
         x ＞ 1.618034    (3)

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    The final solution set is :
         x ＞ 1.618034

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