1.Find an example of a sequence an of complex numbers such that the series
SUM a_n converges (conditionally), yet the series SUM a^(3)_n diverges.
2.Determine the set of complex numbers z for which the series SUM(1â?'z^2)^n converges.
SUM means sigma.© BrainMass Inc. brainmass.com November 24, 2021, 3:24 pm ad1c9bdddf
Determine the set of complex numbers from this case.