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Discussion :: Sets, Relations and Functions

  1.  If A = {x ? C: x2 = 1} and B = {x ? C: x4 = 1}, then A ? B is equal to

  2. A.

    {-i, i}

    B.

    {-1, 1}

    C.

    {-1, 1, i, -i}

    D.

    none of these

    View Answer

    Workspace

    Answer : Option A

    Explanation :

    {-i, i}


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