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Discussion :: Sets, Relations and Functions

  1.  If x ≠ 1, and f(x) = x + 1 / x – 1 is a real function, then f(f(f(2))) is

    2. A.

    1
    B.

    2
    C.

    3
    D.

    4

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    Answer : Option C

    Explanation :

    3

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