Complex Analysis | Unit 1 | Lecture 34 | Finding Radius of Convergence of Given Power Series

[sibilakshman]

Ans I got for 1, 2, 3 R = Inf, 4, 5 R = 1

[SAparliament]

hi help with the radius of convergence of: Find the radius of convergence of:
(a)
(epsolon as)X^∞k=0(−1)^k.((1 + 2i) /2)^k . (z + 2i)^k
.