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## Main Question or Discussion Point

Sum= ...- 1 + 1 -1 +1-1+1... until infinite

It is just an infinite sum of -1 plus 1.

Can anyone tell me the sum of this infinite series and a demonstration of that result?

THanks!!

It is just an infinite sum of -1 plus 1.

Can anyone tell me the sum of this infinite series and a demonstration of that result?

THanks!!