6. Let f (z) be analytic and nonzero in a region R. Show that |f(z)| has a minimum value in R that occurs on the boundary. (Hint: use the Maximum-Modulus Theorem for the function 1/f (z).)

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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Need help with attached Maximum-Modulus Theorem for complex analysis, Thankyou for time sir.

**Problem Statement:**

Let \( f(z) \) be analytic and nonzero in a region \( R \). Show that \( |f(z)| \) has a minimum value in \( R \) that occurs on the boundary. 

*Hint: use the Maximum-Modulus Theorem for the function \( 1/f(z) \).*
Transcribed Image Text:**Problem Statement:** Let \( f(z) \) be analytic and nonzero in a region \( R \). Show that \( |f(z)| \) has a minimum value in \( R \) that occurs on the boundary. *Hint: use the Maximum-Modulus Theorem for the function \( 1/f(z) \).*
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