(a) Prove that 4280 k!pk k=0 converges for any r > 0.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter7: Distance And Approximation
Section7.1: Inner Product Spaces
Problem 12EQ
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part A 

Let U denote the closed upper half plane, so
U = {z € C: 2 = x + iy, x E R, y 2 0}.
(a) Prove that
4280
k!rk
k=0
converges for any r > 0.
(b) Using the result of part (a), prove that
4280(e*=)*
k!zk
k=0
converges uniformly on U \ D[0, r] for every r > 0. DRAW an example of U\ D[0, r]. Does
the series converge uniformly on U?
IM:
Transcribed Image Text:Let U denote the closed upper half plane, so U = {z € C: 2 = x + iy, x E R, y 2 0}. (a) Prove that 4280 k!rk k=0 converges for any r > 0. (b) Using the result of part (a), prove that 4280(e*=)* k!zk k=0 converges uniformly on U \ D[0, r] for every r > 0. DRAW an example of U\ D[0, r]. Does the series converge uniformly on U? IM:
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