5. f(x, y) = 9 – 2x + 4y – x² – 4y² 6. f(x, y) = x³y + 12x² – 8y 7. f(x, y) = x* + y – 4xy + 2
5. f(x, y) = 9 – 2x + 4y – x² – 4y² 6. f(x, y) = x³y + 12x² – 8y 7. f(x, y) = x* + y – 4xy + 2
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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Instructions:
Calculate the
If you have programs for three-dimensional graphing, graph the function with a domain and from another perspective that reveals all important aspects of the function.
Transcribed Image Text:5. f(x., y) — 9 — 2х + 4у — х? — 4у?
6. f(x. y) — х'у + 12x2 — 8y
7. f(x, y) — х* + y — 4ху + 2
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