Lemma
MediumSequences & series
#1769 · Algebra · Sequences & series

Sum of a complex series

Find the sum of terms of the series

~15 minAnswer checked instantlyrecurring seriessummationgenerating function

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. XXIV. Recurring Series, Examples XXIV, No. 13

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