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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (3^x-5^x)/(3^x+5^x) <1/2 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 3 ^ x - 5 ^ x ) / ( 3 ^ x + 5 ^ x ) <1 / 2         (1)
        From the definition field of divisor
         3 ^ x + 5 ^ x ≠ 0        (2 )

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    From inequality(1)：
         x ＞ -2.15066
    From inequality(2)：
         x < -683.811687 或  -683.811687 < x < -683.305802 或  -683.305802 < x < -682.799918 或  -682.799918 < x < -682.294033 或  -682.294033 < x < -681.788148 或  -681.788148 < x < -681.282263 或  -681.282263 < x < -680.776379 或  -680.776379 < x < -680.270494 或  -680.270494 < x < -679.764609 或  -679.764609 < x < -679.258724 或  x ＞ -679.258724

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    From inequalities (1) and (2)
         x ＞ -2.15066    (3)

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    The final solution set is :
         x ＞ -2.15066

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