rate the partial differential equations below

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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rate the partial differential equations below

a2u
+
ax2
a2u
a2u
ди
ди
а) 8
+ 5
+ 3
+
ду
= 0
дхду
ду?
ax
b) -5 0u
ду?
дхду
a?u
ди
ди
= 0
ду
+ 2
+ 4
ax
Transcribed Image Text:a2u + ax2 a2u a2u ди ди а) 8 + 5 + 3 + ду = 0 дхду ду? ax b) -5 0u ду? дхду a?u ди ди = 0 ду + 2 + 4 ax
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