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

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

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    From inequality(1)：
         x < -9411.73642 或  x ＞ -9411.73642
    From inequality(2)：
         x ∈ 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)
         x < -9411.73642 或  x ＞ -9411.73642    (3)

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    The final solution set is :
         x < -9411.73642 或  x ＞ -9411.73642

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