4. Find and sketch the domain of the functions (2D) d) f(x, y) = √√4x²-9y²-36 4x²-9y²-36 xy e) f(x,y) = f) f(x,y)=√xy
4. Find and sketch the domain of the functions (2D) d) f(x, y) = √√4x²-9y²-36 4x²-9y²-36 xy e) f(x,y) = f) f(x,y)=√xy
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:4. Find and sketch the domain of the functions (2D)
d) f(x, y) = √√4x²-9y²-36
4x2-9y²-36
xy
e) f(x,y):
f) f(x, y) = √xy
=
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