I can see that it is true, but not sure how to prove it...

Problem:

Let G be a group of order 3, and let, e,a,b, be the three elements of G, where e is the identity of the group. SHOW that b must be the inverse of a.

TIA

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- October 15th 2007, 06:48 PMginafaraNeed some help with groups..
I can see that it is true, but not sure how to prove it...

Problem:

Let G be a group of order 3, and let, e,a,b, be the three elements of G, where e is the identity of the group. SHOW that b must be the inverse of a.

TIA - October 16th 2007, 06:45 AMtopsquark