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Confirm that the mixed second-order partial derivatives of f are the same. fxy fyx = || f(x, y) = 2ln(x² + y²)

Confirm that the mixed second-order partial derivatives of f are the same. fxy fyx = || f(x, y) = 2ln(x² + y²)

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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Confirm that the mixed second-order partial derivatives of f are the same. fxy fy yx || || f(x, y) = 2ln(x² + y²)
Transcribed Image Text:Confirm that the mixed second-order partial derivatives of f are the same. fxy fy yx || || f(x, y) = 2ln(x² + y²)
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