Hi, i'm not sure on how to do the summation of the following :

The first one i got the answer is 1/2 (1 - 1/n) after simplifying everything.

I'm stuck with the second one , not sure on how to sum up everything.

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- Oct 22nd 2009, 09:57 AMxcludedQuestion about summation
Hi, i'm not sure on how to do the summation of the following :

The first one i got the answer is 1/2 (1 - 1/n) after simplifying everything.

I'm stuck with the second one , not sure on how to sum up everything. - Oct 22nd 2009, 10:16 AMproscientia

The second one is

- Oct 22nd 2009, 10:17 AMtonio
- Oct 22nd 2009, 10:33 AMxcluded
Thanks guys !