Hello, I came across this problem and I wasn't entirely sure on how to do it. Or how I should start doing it anyways, so was seeing if anyone can point me in the right direction and give me some help. Any help is greatly appreciated, thanks!

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- Oct 9th 2009, 09:20 AMMahonroyclosed formula for tripple sum
Hello, I came across this problem and I wasn't entirely sure on how to do it. Or how I should start doing it anyways, so was seeing if anyone can point me in the right direction and give me some help. Any help is greatly appreciated, thanks!

- Oct 15th 2009, 12:33 PMMahonroy
Hello, just checking back to see if I could get some advice from anyone on this, thanks again!

- Oct 20th 2009, 10:46 AMMahonroy
Well I was able to go through the triple summation to get ((64)(8)^(n))/21 - ((8)(4)^(n))/3 + ((2)(2)^(n))/3 - 1/21

At this point I don't understand the whole little o notation, my book doesn't even have information on it, and the internet was not making too much sense either. I'm trying to get an understanding of that little example at the bottom of the problem, any ideas? Thanks again