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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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A: Evaluate
B: Use the polar coordinates, show that the following function is harmonic
elz
e-lz
+
1- elz 1- e-iz
=
ez dz
23-422+3z
when C is the circle \z- 3|=1.
Transcribed Image Text:A: Evaluate B: Use the polar coordinates, show that the following function is harmonic elz e-lz + 1- elz 1- e-iz = ez dz 23-422+3z when C is the circle \z- 3|=1.
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