December 31st, 2017, 12:16 AM  #1 
Senior Member Joined: Nov 2013 Posts: 434 Thanks: 8  find m
m=2/3 *4/5 * 6/7*..........................998/999

December 31st, 2017, 04:11 AM  #2 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 12,594 Thanks: 843 
Using the double factorial: m = 998!! / 999!! = ~.0396 
December 31st, 2017, 04:38 AM  #3 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 12,594 Thanks: 843 
99 / 2500 = .0396 ; just an observation!

December 31st, 2017, 08:20 AM  #4 
Global Moderator Joined: Dec 2006 Posts: 19,045 Thanks: 1618 
0.039643182531295326472269213376395823247063... according to WA.


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