can someone explain how he gets the partial derivative done here. i dont understand the process
can someone explain how he gets the partial derivative done here. i dont understand the process
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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Question
can someone explain how he gets the partial derivative done here. i dont understand the process

Transcribed Image Text:Q5) Given q
U (₁ + Z² ) ²
x
+
Uy ↑ is the
x² + y²
incompressible
form of the Continuity Equation satisfied ?
What are the values of x and y for the flow to be
stagnant ?

Transcribed Image Text:ди
Ox
Əv
ду
-
=7 ди
ox
[U(x)}
Э
Uy
дул хоту?
Э
dx
+ dv
ម្ល៉េះ។
–
U
=
ди
ох
+
U-ух2y
미
m
ди
од
=
. V|-(x1+x)2x + (ганХану”)
(x2+y2) 2
(x2+y2)2
о
3
- 2x? - 2xy² - 2č +3+lxy +7&+y*-2q+x+y=
(x2+y2)?
UxO
O
Yes (1) is sutisfied.
+ (x²+4²)
(x2+y²)=
2
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