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18-21 Equations. Find all solutions and graph some of them in the complex plane. 18. e³z = 4 20. e² = 0 19. e² = -2 21. e* = : 4 3i -

18-21 Equations. Find all solutions and graph some of them in the complex plane. 18. e³z = 4 20. e² = 0 19. e² = -2 21. e* = : 4 3i -

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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18-21 Equations. Find all solutions and graph some of them in the complex plane. 18. e³* = 4 20. e² = 0 19. e² = -2 21. e4 - 3i
Transcribed Image Text:18-21 Equations. Find all solutions and graph some of them in the complex plane. 18. e³* = 4 20. e² = 0 19. e² = -2 21. e4 - 3i
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