how is this possibly be proven? need your help on this ... thanks a lot

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- Sep 8th 2012, 04:19 AMrcsProof by enumeration??
how is this possibly be proven? need your help on this ... thanks a lot

- Sep 8th 2012, 06:08 AMHallsofIvyRe: Proof by enumeration??
If you do not know what "enumeration" means- look it up! If you do, then you should understand that the problem is simply subtracting integers. Surey, you know how to do that!

- Sep 8th 2012, 10:01 PMrcsRe: Proof by enumeration??
well actually i was trying to solve that but i when i attempt all answers are 0.

x-y = 1- 1 = 0, or 2-2 = 0 or 3 -3 = 0 ... there must something wrong with the problem if these are not the answer.

P.S... HallsOfIvy you are not impressive though. your answers are making things complicated ... you are not a help! you are only pretending :p