A continuous function f : C → C satisfies lim,→f(2) = 0. (This means that corresponding to each e > 0 there is an r > 0 with the property that |f(2)| < € whenever |2| > r. ) Prove that |f| attains a maximum value at some point of the complex number.
A continuous function f : C → C satisfies lim,→f(2) = 0. (This means that corresponding to each e > 0 there is an r > 0 with the property that |f(2)| < € whenever |2| > r. ) Prove that |f| attains a maximum value at some point of the complex number.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.2: Mappings
Problem 23E: Let a and b be constant integers with a0, and let the mapping f:ZZ be defined by f(x)=ax+b. Prove...
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