(5) The partial differential equation corresponding to u= f(x²+ y?) is y êu âu (d) x'y () Non of these (a) O a is the correct answer O b is the correct answer O c is the correct answer O | is the correct answer f is the correct answer

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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(5) The partial differential equation corresponding to u= f(x +y) is
у ди ди
(a)
u du
(c)
(d) xy u âu
(f) Non of these
(b)
a is the correct answer
b is the correct answer
c is the correct answer
d is the correct answer
f is the correct answer
(6) The canonical form of the partial differential equation u- 2u -3uy +u, =0 is
(a) un
16
(b) un
16
(c) un
u -0
16
03("n-n)
(d) un =0
(f) Non of these
a is the correct answer
b is the correct answer
c is the correct answer
d is the correct answer
f is the correct answer
Transcribed Image Text:(5) The partial differential equation corresponding to u= f(x +y) is у ди ди (a) u du (c) (d) xy u âu (f) Non of these (b) a is the correct answer b is the correct answer c is the correct answer d is the correct answer f is the correct answer (6) The canonical form of the partial differential equation u- 2u -3uy +u, =0 is (a) un 16 (b) un 16 (c) un u -0 16 03("n-n) (d) un =0 (f) Non of these a is the correct answer b is the correct answer c is the correct answer d is the correct answer f is the correct answer
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