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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality √((300√2)^2+b^2) <450 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         √ ( ( 300 * √ 2 ) ^ 2 + b ^ 2 ) <450         (1)
        From the definition field of √
         ( 300 * √ 2 ) ^ 2 + x ^ 2 ≥ 0        (2 )

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    From inequality(1)：
         -150 < b < 150
    From inequality(2)：
         b ∈ 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)
         -150 < b < 150     (3)

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    The final solution set is :
         -150 < b < 150

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