perplexus.info :: Just Math : Nice sum

Nice sum (Posted on 2004-08-24)

Give a closed expression for the infinite sum:

1/1 + 2/(2+3) + 3/(4+5+6) + 4/(7+8+9+10) + ...

See The Solution Submitted by Federico Kereki

Rating: 3.0000 (5 votes)

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re: Solution

| Comment 11 of 13 |

(In reply to Solution by Keith Steele)

seems to ME that you all need a hobby. or a girlfriend. either would do wonders for both of you. =)

Posted by Sarifa on 2004-10-08 17:48:13

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