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

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

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

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    From inequalities (1) and (2)
         0 ≤ a < 2 或  a ＞ 2    (3)

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    The final solution set is :
         0 ≤ a < 2 或  a ＞ 2

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