#Whats the formula for sum of infinite gp?

17 messages · Page 1 of 1 (latest)

proper widget
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i forgot it lol

weary elkBOT
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honest widget
proper widget
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geometric proggresion

acoustic shale
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a/(1-r)?

honest widget
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oh

acoustic shale
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$\frac{a}{1-r}$

lapis boughBOT
cedar sleetBOT
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@fallow pumice has given 1 rep to @acoustic shale

honest widget
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yeah $\frac{a}{1-r}$

lapis boughBOT
acoustic shale
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😊

proper widget
cedar sleetBOT
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@proper widget has given 1 rep to @acoustic shale

honest widget
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where a is the leading term

ashen plover
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If the first term is b and the ratio is r, then the sum is b/(1 - r). There are several ways to prove it.