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    Question

    If 3y-3/y=18 then find the value of y²

    +1/y²
    A 24 Correct Answer Incorrect Answer
    B 36 Correct Answer Incorrect Answer
    C 38 Correct Answer Incorrect Answer
    D 48 Correct Answer Incorrect Answer

    Solution

    3y-3/y=18 3(y-1/y) =18 y-1/y=6 both side squaring… (y-1/y) ² = (6) ² y ² +1/y ² =36+2 y ² +1/y ² =38

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