of and for the functions: dx dy H.W: Find 1. f(x, y) = (xy-1)² 3. f(x, y) = (x²-1)(y + 2) 2. f(x, y) = x² - xy + y² X 4. f(x, y) = (x² + y²)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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of
of
H.W: Find and for the functions:
dx
dy
1. f(x, y) = (xy-1)²
3. f(x, y) = (x²-1)(y + 2)
2. f(x, y) = x² - xy + y²
X
4. f(x, y) =
(x² + y²)
Transcribed Image Text:of of H.W: Find and for the functions: dx dy 1. f(x, y) = (xy-1)² 3. f(x, y) = (x²-1)(y + 2) 2. f(x, y) = x² - xy + y² X 4. f(x, y) = (x² + y²)
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