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Discussion :: Sets, Relations and Functions

  1.  Which of the following are true:

    2. A.

    1 and 2
    B.

    {x: x >3, x ?0} ? ?
    C.

    {x: x2-1= 0, x ?N} ? {-1, 1}
    D.

    {x: x2 - 4x + 3 = 0} = {1, 3}

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    Answer : Option A

    Explanation :

    1 and 2

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