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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality sqrt(n) >= log(2,2n) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         sqrt ( n ) >= log( 2 , 2 * n )         (1)
        From the definition field of √
         x ≥ 0        (2 )
        From the definition field of log
         2 > 0        (3 )
         2 * x > 0 并且 ≠ 1        (4 )

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    From inequality(1)：
         n ≤ 1 或  n ≥ 39.938891
    From inequality(2)：
         n ≥ 0
    From inequality(3)：
         n ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(4)：
         0 < n < 1/2 或  n ＞ 1/2

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    From inequalities (1) and (2)
         0 ≤ n ≤ 1 或  n ≥ 39.938891    (5)
    From inequalities (3) and (5)
         0 ≤ n ≤ 1 或  n ≥ 39.938891    (6)
    From inequalities (4) and (6)
         0 < n < 1/2 或  1/2 < n ≤ 1 或  n ≥ 39.938891    (7)

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    The final solution set is :
         0 < n < 1/2 或  1/2 < n ≤ 1 或  n ≥ 39.938891

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