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Discussion :: Sets, Relations and Functions

  1.  The set of all real numbers under the usual multiplication operation is not a group since

  2. A.

    zero has no inverse

    B.

    identity element does not exist

    C.

    multiplication is not associative

    D.

    multiplication is not a binary operation

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    Workspace

    Answer : Option A

    Explanation :

    zero has no inverse


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