Suppose that f(z) is an entire function such that f(z)/zn is bounded for |z|>= R. Show that f(z) is a polynomial of degree at most n.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
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Chapter4: Complex Numbers
Section4.2: Complex Solutions Of Equations
Problem 7ECP: Find the cubic polynomial function f with real coefficients that has 1 and 2+i as zeros, and f2=2.
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Suppose that f(z) is an entire function such that f(z)/zn is bounded for |z|>= R. Show that f(z) is a polynomial of degree at most n. 

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