The value of limx→a xm−amxn−an , is 

The value of limxaxmamxnan , is 

  1. A

    mnamn

  2. B

    nmamn

  3. C

    mnan+n

  4. D

    mn

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    Solution:

    We have,

    limxaxnanxnan              [from 00]

    =limxaxmamxa×xaxnan=limxaxnamxa÷xnanxa=limxaxnamxa÷limxaxnanxa=mam1÷nan1=mnamn

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