Find the sum of:

1/(1*2*3) + 1(2*3*4) + 1/(3*4*5) + ... + 1/(n(n+1)(n+2))

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- Feb 15th 2010, 08:19 AMbearej50Series...
Find the sum of:

1/(1*2*3) + 1(2*3*4) + 1/(3*4*5) + ... + 1/(*n*(*n*+1)(*n*+2)) - Feb 15th 2010, 09:17 AMtonio
- Feb 15th 2010, 10:44 AMKrizalid
note that in tonio's solution the first term telescopes not so fast than the second term which does faster.

another way on doing this is to see that and this one telescopes easily. - Feb 15th 2010, 06:45 PMtonio