5. Suppose f(z) is entire and lim∞ (2) = 0. Show that f(2) is a constant function. Z 1(C) Hint: Use generalized Cauchy integral formula to show that f'(2) = 0. Note that (6-2)2 ƒ(C)/(C-z) and f(c) 5-2 = = - 1(0)15 1(C)/C (5-2)15 12/5 → ? as (∞. f(z) = c where c is some constant complex number. Show Z 6. Suppose f(z) is entire and limo that f(z) = cz+b. Hint: Apply question 5 with g(z) = f(z) — cz.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
Problem 99E: Determine if the statemment is true or false. If the statement is false, then correct it and make it...
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Question
5. Suppose f(z) is entire and lim∞ (2) = 0. Show that f(2) is a constant function.
Z
1(C)
Hint: Use generalized Cauchy integral formula to show that f'(2) = 0. Note that (6-2)2
ƒ(C)/(C-z) and f(c)
5-2
=
=
- 1(0)15 1(C)/C
(5-2)15 12/5
→ ? as (∞.
f(z)
= c where c is some constant complex number. Show
Z
6. Suppose f(z) is entire and limo
that f(z) = cz+b.
Hint: Apply question 5 with g(z) = f(z) — cz.
Transcribed Image Text:5. Suppose f(z) is entire and lim∞ (2) = 0. Show that f(2) is a constant function. Z 1(C) Hint: Use generalized Cauchy integral formula to show that f'(2) = 0. Note that (6-2)2 ƒ(C)/(C-z) and f(c) 5-2 = = - 1(0)15 1(C)/C (5-2)15 12/5 → ? as (∞. f(z) = c where c is some constant complex number. Show Z 6. Suppose f(z) is entire and limo that f(z) = cz+b. Hint: Apply question 5 with g(z) = f(z) — cz.
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