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           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2.73 >0.45√（0.9+V）＋V^(2) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2.73 >0.45 * √ ( 0.9 + V ) + V ^ ( 2 )         (1)
        From the definition field of √
         0.9 + x ≥ 0        (2 )

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    From inequality(1)：
         V ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(2)：
         V ≥ -9/10

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    From inequalities (1) and (2)
         V ≥ -9/10    (3)

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    The final solution set is :
         V ≥ -9/10

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