integers

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by ShakeM » Sun Mar 14, 2010 1:46 am
Agree with D.

To satisfy the 1st equation J can only be 1.

(-1)^(-1) is not abs(-1), hence -1 cannot be the integer.


To satisfy the second equation J can only be 1.

(-1)^(-1) does not satisfy the second equation.

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by Phirozz » Sun Mar 14, 2010 7:45 am
daretodream wrote:What is the value of integer J?

1. |J| = J^{-1}
2. J^J = 1
IMO D. Both r independently sufficient
whats the OA ?