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In a geometric progression you can find the sum to infinety is some series, for example 4,2,1,... where the common factor is 1/2. The sum to infinety will then be, 8, it says in my book, but I can only think of it as very, very close to 8, not eight exactly. How is it? Is the sum to infinety 8 or just very close to eight?

/Andreas

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# The Sum to Infinety of GP's

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