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Infinity defeated

Name: Anonymous 2007-08-13 20:37 ID:CXng0JnT

let

s = 1 + 2 + 4 + 8 + ...
s = 1 + 2(1 + 2 + 4 + ...)
s = 1 + 2s
s = -1
1 + 2 + 4 + 8 + ... = -1

discuss

Name: Anonymous 2007-08-14 21:51 ID:hPFCLLRm

>>7
It's not a conditionally convergent series though.

I was going to post the same thing though to be honest.

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