8. f(x, y) = (x³ + (y/2))²/3 10. f(x, y) = x/(x² + y²)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Calculating first order partial derivatives 

8. f(x, y) = (x³ + (y/2))²/³
10. f(x, y) = x/(x² + y²)
Transcribed Image Text:8. f(x, y) = (x³ + (y/2))²/³ 10. f(x, y) = x/(x² + y²)
9. f(x, y) = 1/(x + y)
Transcribed Image Text:9. f(x, y) = 1/(x + y)
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