Find the general solution of each of the differential equations. y" – 4y' + 4y = 0

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
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Find the general solution of each of the differential equations.
y" – 4y' + 4y = 0
Transcribed Image Text:Find the general solution of each of the differential equations. y" – 4y' + 4y = 0
B- Exompes
Exauple I.find the goneral solv Hon y.
d"-2y' -3y 2ex -10x
1) ST
S2 =
e
Once de'yi bulalım:
=sinx, cos*
2) Herhang! bir Flame gerele yot
3) Aerhongi bir Relenme
4) Ae + Bsinx+ Ccosa
Aet B sinx
genelk yot.
(r-3) (r+1) -U
5) Yp - + Ccosx
Yp'= Ae + Bcosx -csihx.
y= A ex -Bsinx
Bunbri denk lemce yerine koyersrak:
+ Cze
%3D
(AeX - B sinx -C cosx) -2(Ae*+Bcosx -Csinx)
3 (Aex+B sinx + Ccosx)
HAe' +(-B+2C+38)sinx+ (-C -2 B-3C)coSx=2e 1erax
-4A=2
A= 2-4B+2C=-10
%3D
ー4+2C= 10
ー4C-28=O
- -20
ー4C-2.2 =0
I devaur ortode
○ sで-つケー
ちこうと
dp =Ze
1.
*+2 sinx- COSX
Gerenal Solution:
2.
3メ4C
X-
1e*+ 25inx - cosk.
2.
Example:
Transcribed Image Text:B- Exompes Exauple I.find the goneral solv Hon y. d"-2y' -3y 2ex -10x 1) ST S2 = e Once de'yi bulalım: =sinx, cos* 2) Herhang! bir Flame gerele yot 3) Aerhongi bir Relenme 4) Ae + Bsinx+ Ccosa Aet B sinx genelk yot. (r-3) (r+1) -U 5) Yp - + Ccosx Yp'= Ae + Bcosx -csihx. y= A ex -Bsinx Bunbri denk lemce yerine koyersrak: + Cze %3D (AeX - B sinx -C cosx) -2(Ae*+Bcosx -Csinx) 3 (Aex+B sinx + Ccosx) HAe' +(-B+2C+38)sinx+ (-C -2 B-3C)coSx=2e 1erax -4A=2 A= 2-4B+2C=-10 %3D ー4+2C= 10 ー4C-28=O - -20 ー4C-2.2 =0 I devaur ortode ○ sで-つケー ちこうと dp =Ze 1. *+2 sinx- COSX Gerenal Solution: 2. 3メ4C X- 1e*+ 25inx - cosk. 2. Example:
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