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Information About

Region Of Convergence




For a power series ''f'' defined as:

:f(z) = \sum_{n=0}^\infty f_n = \sum_{n=0}^\infty c_n (z-a)^n,

where
a

c

z

f


The radius of convergence ''r'' is a nonnegative real number or ∞, such that the series converges if