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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality (7*t^2-1)*(7*t^2-6*t+1) >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ( 7 * t ^ 2 - 1 ) * ( 7 * t ^ 2 - 6 * t + 1 ) >0         (1)

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    From inequality(1)：
         t < -1/√7 或  0.226541 < t < 1/√7 或  t ＞ 0.630602

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    The final solution set is :
         t < -1/√7 或  0.226541 < t < 1/√7 或  t ＞ 0.630602

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