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14 events
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Jul 27, 2018 at 22:26 history edited Hans CC BY-SA 4.0
Corrected a sign error.
Jul 27, 2018 at 22:05 history edited Hans CC BY-SA 4.0
added 44 characters in body
Jul 27, 2018 at 21:46 history edited Hans CC BY-SA 4.0
deleted 3 characters in body
Jul 27, 2018 at 21:38 vote accept Hans
Jul 27, 2018 at 21:38 history edited Hans CC BY-SA 4.0
Added a missed term.
Jul 27, 2018 at 21:07 history edited Hans CC BY-SA 4.0
added 614 characters in body
Jul 27, 2018 at 19:56 history edited Hans CC BY-SA 4.0
Simplify the answer.
Jul 27, 2018 at 19:50 history edited Hans CC BY-SA 4.0
Simplify the answer.
Jul 27, 2018 at 18:53 history edited Hans CC BY-SA 4.0
Added more details of the derivation.
Jul 27, 2018 at 18:47 history edited Hans CC BY-SA 4.0
added 86 characters in body
Jul 27, 2018 at 18:16 history edited Hans CC BY-SA 4.0
deleted 48 characters in body
Jun 8, 2016 at 22:55 history edited Hans CC BY-SA 3.0
added 30 characters in body
Jun 6, 2016 at 18:59 history edited Hans CC BY-SA 3.0
added 6 characters in body
Jun 6, 2016 at 18:51 history answered Hans CC BY-SA 3.0