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Q2: Determine which of the following functions u are harmonic. (a) 3x?y + 2x2 - y3 - 2y? (b) 2xy + 3xy2 - 2y3 (c) xe? cos y - ye sin y

Q2: Determine which of the following functions u are harmonic. (a) 3x?y + 2x2 - y3 - 2y? (b) 2xy + 3xy2 - 2y3 (c) xe? cos y - ye sin y

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter5: Exponential And Logarithmic Functions
Section5.2: Applications Of Exponential Functions
Problem 48E
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Q2: Determine which of the following functions u are harmonic. (a) 3x²y + 2x2 - y3- 2y2 (b) 2xy + 3xy2 - 2y3 (c) xe? cos y - ye? sin y (d) e-2xy sin(x2 - y2) 3
Transcribed Image Text:Q2: Determine which of the following functions u are harmonic. (a) 3x²y + 2x2 - y3- 2y2 (b) 2xy + 3xy2 - 2y3 (c) xe? cos y - ye? sin y (d) e-2xy sin(x2 - y2) 3
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