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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 9.8*sqrt((0.001/sqrt3/0.8)^2+4*(0.404/1.795/n)^2) ≤0.01 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        9.8 * sqrt ( ( 0.001 / sqrt 3 / 0.8 ) ^ 2 + 4 * ( 0.404 / 1.795 / n ) ^ 2 ) ≤0.01         (1)
        From the definition field of divisor
        x ≠ 0        (2 )
        From the definition field of √
         ( 0.001 / sqrt 3 / 0.8 ) ^ 2 + 4 * ( 0.404 / 1.795 / x ) ^ 2 ≥ 0        (3 )

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    From inequality(1)：
         n ≤ -623.991219 或  n ≥ 623991219/1000000
    From inequality(2)：
         n < 0 或  n ＞ 0
    From inequality(3)：
         n ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!

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    From inequalities (1) and (2)
         n ≤ -623.991219 或  n ≥ 623991219/1000000    (4)
    From inequalities (3) and (4)
         n ≤ -623.991219 或  n ≥ 623991219/1000000    (5)

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    The final solution set is :
         n ≤ -623.991219 或  n ≥ 623991219/1000000

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