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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality [1/6+1-(1-a)^6] >1/7*{1+[1-(1-a)^7]*(17*a+6)/(2*a+1)} .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 1 / 6 + 1 - ( 1 - a ) ^ 6 ) >1 / 7 * ( 1 + ( 1 - ( 1 - a ) ^ 7 ) * ( 17 * a + 6 ) / ( 2 * a + 1 ) )         (1)
        From the definition field of divisor
         2 * x + 1 ≠ 0        (2 )

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    From inequality(1)：
         a < -0.5 或  -0.08029 < a < 0.249204
    From inequality(2)：
         a < -1/2 或  a ＞ -1/2

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    From inequalities (1) and (2)
         a < -0.5 或  -0.08029 < a < 0.249204     (3)

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    The final solution set is :
         a < -0.5 或  -0.08029 < a < 0.249204

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