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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality [2a-sqrt(4a*a-16) ) >2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 2 * a - sqrt ( 4 * a * a - 16 ) ) >2         (1)
        From the definition field of √
         4 * x * x - 16 ≥ 0        (2 )

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    From inequality(1)：
         a < 5/2
    From inequality(2)：
         a ≤ -2 或  a ≥ 2

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    From inequalities (1) and (2)
         a ≤ -2 或  2 ≤ a < 5/2    (3)

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    The final solution set is :
         a ≤ -2 或  2 ≤ a < 5/2

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