PROBLEMS, SECTION 1 1. If u = 2²/(x² + y²), find au/ar, du/dy.
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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Transcribed Image Text:►PROBLEMS, SECTION 1
1. If u= r²/(x² + y2), find ou/0x, du/dy.
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