ext_90941 ([identity profile] aurictech.livejournal.com) wrote in [personal profile] kengr 2006-08-20 12:02 am (UTC)

[without looking at other comments]

Well, if a = b, then (a - b) = 0.

Dividing by zero (the part left out between steps #4 and 5) is a Mathematics NaughtyTM.

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