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1. Determine the solution sets in C of the following equations. Justify. (c) 1+ e + e2z = 0 (d) cosh z = -1 = 2 (b) 1+z²+z = 0

1. Determine the solution sets in C of the following equations. Justify. (c) 1+ e + e2z = 0 (d) cosh z = -1 = 2 (b) 1+z²+z = 0

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Complex Analysis
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1. Determine the solution sets in C of the following equations. Justify. (c) 1+ e + e2z = 0 (d) cosh z = -1 = 2 (b) 1+z²+z = 0
Transcribed Image Text:1. Determine the solution sets in C of the following equations. Justify. (c) 1+ e + e2z = 0 (d) cosh z = -1 = 2 (b) 1+z²+z = 0
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