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#1 2011-04-18 04:00:19

b31den
Guest

Determining the sum of infinite series

Hi,  I need to find the sum of this series as n goes from 1 to infinity:

(2^n + 8^n)/11^n

#2 2011-04-18 04:20:58

gAr
Member
Registered: 2011-01-09
Posts: 3,482

Re: Determining the sum of infinite series

Hi b31den,


"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

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#3 2011-04-18 07:36:04

b13den
Guest

Re: Determining the sum of infinite series

thanks! I never thought of spliting the fraction up to use a/(1-r)

#4 2011-04-18 16:05:12

gAr
Member
Registered: 2011-01-09
Posts: 3,482

Re: Determining the sum of infinite series

Hi b13den,

You're welcome!


"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  - Buddha?

"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."

Offline

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