201х, у) — х* — у
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
20) Draw a contour map of the function showing several level curves. f(x y) = x^3 − y
Transcribed Image Text:19–26 Draw a contour map of the function showing several level
curves.
19. f(x, у) — (у — 2х)?
20. f(x, y) = x³ - y
21. f(x, y) = Vx + y
22. f(x, y) = In(x² + 4y²)
23. f (x, у) — уе"
24. f(x, у) — y sec x
25. f(x, y) = Vy² – x²
26. f(x, y) = y/(x² + y²)
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