a) x'y" - (2x- 1)xy' + (x- 1)y (x+ 1)e2x. %3D b) x2y"-2(x2 +x)y' + (x2 +2x + 2)y = x'e2x %3D dzy c) x-+ 4x'y = x5. dx2 dx d) x- = r'e*. dzy dr2 %3D e) = 0. %3D dx2 1+y

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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Differential Equation
7. Solve ALL the following DEs with nonconstant coefficients:
a) x?y"- (2x- 1)xy' + (x- 1)y (x + 1)e2*.
b) x?y" - 2(x2 + x)y' + (x2 + 2x + 2)y = x'e2x.
c) x-+4x'y = x.
dx2
d) x-= x'e".
d'y
dx2
+品-
e)
dx2
= 0.
1+y \dx.
d²y
= E-o(-1)" x"
%3D
Transcribed Image Text:7. Solve ALL the following DEs with nonconstant coefficients: a) x?y"- (2x- 1)xy' + (x- 1)y (x + 1)e2*. b) x?y" - 2(x2 + x)y' + (x2 + 2x + 2)y = x'e2x. c) x-+4x'y = x. dx2 d) x-= x'e". d'y dx2 +品- e) dx2 = 0. 1+y \dx. d²y = E-o(-1)" x" %3D
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