non-constant entire function such that |f| = 1 on the unit circle and f(1) = 1. Let f be a Show that the function f has the form : f(z) = z" for some integer n. Hint: Note that in this case the set of zeros of f in the unit disc is non-empty and finite.
non-constant entire function such that |f| = 1 on the unit circle and f(1) = 1. Let f be a Show that the function f has the form : f(z) = z" for some integer n. Hint: Note that in this case the set of zeros of f in the unit disc is non-empty and finite.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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