Multiple Choice Questions on The number of surjections from A 1 2 hellip n n sup3 2 onto B a b is ........ for 11th Standard Preparation

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Multiple Choice Questions

The number of surjections from A 1 2 hellip n n sup3 2 onto B a b is ........

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    The number of surjections from A = {1,2,…..n}, n ³2, onto B ={a,b} is

     

    nP2                              

    Incorrect Answer

    2n-2                             

    Correct Answer

    2n-1                               

    Incorrect Answer

    None of these

    Incorrect Answer
    Explanation:

    2n-2

    By: Swaminath Yadav
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