12th Class Mathematics What Can You Become

  • question_answer 1)
    If                    then compute (A + B) and (B ? C). Also, verify that         A + (B ? C) = (A + B) ? C.  

    Answer:

                                  Now,             =      ?.. (1)       and                         From (1) and (2), we have       A + (B ? C) = (A + B) ? C  


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