Geometrical summation of the series

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a, (a + d)r, (a + 2d)r2,…

The following method of summing the mixed series is an extension of the well-known method for the G.P. given by Dr Dougall in the April issue of the Notes for 1909.

Type: Research Article
Information: Edinburgh Mathematical Notes , Volume 14 , October 1913 , pp. 160 - 161

DOI: https://doi.org/10.1017/S1757748900001195 [Opens in a new window]

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Geometrical summation of the series

Volume 14
G. D. C. Stokes
DOI: https://doi.org/10.1017/S1757748900001195

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Geometrical summation of the series

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