(e) 2= /-(x + y)². (f) z -(x² + y² + 3). (g) z = 1 - ม
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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please answer e-g and provide an explanation. I'm not understanding these. Thank you.
Transcribed Image Text:8. Determine the domain D for which each of the following formulas defines
z as a function of x and y.
(a) z
(c) z =
(e) 2 =
(f) z =
/1
V1
- x2
-
-
- y²
x² + (y - 1)².
/ - (x + y)².
(x² + y² + 3).
(b) z = xy + 2.
(d) z =
(g) z =
√x² + y² — 9.
1
-
Y
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