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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2 ≤6x^2 ≤3 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
        2 ≤6 * x ^ 2         (1)
        6 * x ^ 2 ≤3         (2)

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    From inequality(1)：
         x ≤ -1/√3 或  x ≥ 1/√3
    From inequality(2)：
         -1/√2 ≤ x ≤ 1/√2

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    From inequalities (1) and (2)
         -1/√2 ≤ x ≤ -1/√3 或  1/√3 ≤ x ≤ 1/√2    (3)

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    The final solution set is :
         -1/√2 ≤ x ≤ -1/√3 或  1/√3 ≤ x ≤ 1/√2

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