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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality sqrt(4+24a) <-2-4a .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         sqrt ( 4 + 24 * a ) < -2 - 4 * a         (1)
        From the definition field of √
         4 + 24 * x ≥ 0        (2 )

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    From inequality(1)：
         a < -0.214286
    From inequality(2)：
         a ≥ -1/6

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    From inequalities (1) and (2)
        x ∈ Φ (Φ is empty)that is, the inequality will never be estatlished within the real number range!    (3)

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    The final solution set is :
        x ∈ Φ (Φ is empty)that is, the inequality will never be estatlished within the real number range!

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