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when toggle format what by license comment
Feb 25, 2010 at 15:04 vote accept LAM
Feb 17, 2010 at 20:55 comment added Hailong Dao Taking $R=A/(IJ)$ also works.
Feb 17, 2010 at 0:29 history edited Hailong Dao CC BY-SA 2.5
added 60 characters in body
Feb 16, 2010 at 20:31 history answered Hailong Dao CC BY-SA 2.5