#1008 · Algebra · Sequences & series

Infinite Geometric Series Sum

Find the sum of the infinite geometric series $\frac{8}{5} - 1 + \frac{5}{8} - \dots$

~5 minAnswer checked instantlyGeometric progressionInfinite series sum

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. V. Geometrical Progression, Examples V.a, No. 14

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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).