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Jun 12, 2016 at 23:59 comment added Henry That also simplifies to $ \dfrac{1}{n+1}$
Jun 12, 2016 at 18:08 history edited josliber CC BY-SA 3.0
added 1 character in body
Jun 12, 2016 at 18:02 history edited josliber CC BY-SA 3.0
added 130 characters in body
Jun 12, 2016 at 18:01 comment added JPJ wow nice....much appreciated -- i learned something new here!
Jun 12, 2016 at 17:59 vote accept JPJ
Jun 12, 2016 at 17:53 history answered josliber CC BY-SA 3.0