Let a and b be two complex numbers with b 0. Consider the function f(z) za...
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Let a and b be two complex numbers with b 0. Consider the function f(z) za bz - 1 defined on the set D = C\ {}. Suppose 1, -1, ¡ E D and |f(1) = f(-1) | = |f(i) | = 1. (1) Show that ba and f(z) = 1 for all z ED with Iz | = 1. (ii) Show that f(z) is a constant function if la = 1. Let a and b be two complex numbers with b 0. Consider the function f(z) za bz - 1 defined on the set D = C\ {}. Suppose 1, -1, ¡ E D and |f(1) = f(-1) | = |f(i) | = 1. (1) Show that ba and f(z) = 1 for all z ED with Iz | = 1. (ii) Show that f(z) is a constant function if la = 1.
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i Suppose lzl1 Then we have 1fracfzf1 fraczalz1 cdot fraczbzbl fraczalz1 Plugging in z1 we get frac1... View the full answer
Related Book For
Introduction To Mathematical Statistics And Its Applications
ISBN: 9780321693945
5th Edition
Authors: Richard J. Larsen, Morris L. Marx
Posted Date:
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