Geometric series and complex numbers
34386
Sum of a complex, finite geometric series and its identity
94902
Simplifying a geometric sum
12196
Calculate Laurent series for $1/ \sin(z)$
146826
Fibonacci Sequence and series limits
51047
Analytic continuation of a power series 2
74117
Find the sum of series $\sum_{n=0}^{\infty}\frac{z^{kn}}{(kn)!}$
145500
Finite Series - reciprocals of sines
112348
Defining the Complex numbers
145007
Two problems on real number series
81571
Complex Exponent of Complex Numbers
73258
Power series summation
44649
Summing a series having a geometric component
119552
Summing Finitely Many Terms of Harmonic Series: $\sum_{k=a}^{b} \frac{1}{k}$
158235
Laurent Series for $\cot(\pi z)$
64076
how to show that this complex series converge?
36951
How to evaluate the series $1+\frac34+\frac{3\cdot5}{4\cdot8}+\frac{3\cdot5\cdot7}{4\cdot8\cdot12}+\cdots$
154534
consider the following subsets of complex plane