dy _ 4 y – 3x dx 2x- у | !!

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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Related questions
Question

Find the General Solution/ Particular Solution of the given Differential
Equation.

For the 2nd picture.

 

The 1st picture is just an example on how to solve the equation, you mus state what kin of solution did you use in every process

3y
y'==
2 y'+x*
4.
Solution:
3y
> Classifying is homogeneous
2 y+x*
this is a homogeneous equation
let x=vy, dx=vdy+ ydv
dy
(vdy+y dv) 2 y+v* y*
dy
(vdy+y dv) 2+v*
(2+v*) dy=v°(vdy+y dv)
2 dy=v ydv
dy =v³ dv
> Homogeneous Substitution
vy*
34
> Substitution
!!
V
> Separation of Variables
!!
14 / 36
y
S=f v°dv+InC
> Integration
y
Iny=:
+InC
4
> General Solution
4 Iny+InC=v*
In Cy=v*, Cy*=e"
Cy=e
Transcribed Image Text:3y y'== 2 y'+x* 4. Solution: 3y > Classifying is homogeneous 2 y+x* this is a homogeneous equation let x=vy, dx=vdy+ ydv dy (vdy+y dv) 2 y+v* y* dy (vdy+y dv) 2+v* (2+v*) dy=v°(vdy+y dv) 2 dy=v ydv dy =v³ dv > Homogeneous Substitution vy* 34 > Substitution !! V > Separation of Variables !! 14 / 36 y S=f v°dv+InC > Integration y Iny=: +InC 4 > General Solution 4 Iny+InC=v* In Cy=v*, Cy*=e" Cy=e
dy _ 4 y -3x
2х-у
dx
Transcribed Image Text:dy _ 4 y -3x 2х-у dx
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