#1042 · Algebra · Sequences & series
Sum of partial sums of GP
If denote the sum of terms of a G. P. whose first term is , and common ratio , find the sum of , , , ... .
H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. V. Geometrical Progression, Examples V.b, No. 21
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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).