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    Question

    If 3x + (1/3x) = 8 then find 27x3 +

    (1/27x3) = ?
    A 602 Correct Answer Incorrect Answer
    B 488 Correct Answer Incorrect Answer
    C 700 Correct Answer Incorrect Answer
    D 802 Correct Answer Incorrect Answer

    Solution

    If┬а 3x + (1/3x) ┬а= N then┬а27x 3┬а+ (1/27x 3) = ┬аN3 - 3N = 83┬а- 3 x┬а8 = 512 - 24 = 488 ` `

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