Solve the following differential equation! dy dx 2x³ = e3x
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![Solve the following differential equation:
dy - 2x³ = e³x
dx](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4612b8e-bd3c-4aa1-bedf-8b928188dc49%2F1044217a-f620-488d-85a3-f391ac21b1e0%2Fr4gk7fn_processed.png&w=3840&q=75)
Transcribed Image Text:Solve the following differential equation:
dy - 2x³ = e³x
dx
![Homogeneous second order linear differential equations: a
Auxiliary equation: am² + bm + c = 0
a) y Aemix+ Bem₂x
b) y = (Ax+ B)emix
c) y = ex (A cos m₂x + B sin m₂x)
The three main types of Partial Fraction
Linear Factors
Denominator Containing
Repeated Linear Factors
Quadratic Factors
Expression
f(x)
(x+a)(x-b)(x+c)
f(x)
(x + a)³
f(x)
(ax² +bx+c)(x+d)
The Laplace Transform of derivatives
L
= s£{y}-y(0)
{²} = s² {y} - sy(0) - y'(0)
dx
+ cy=0
Form of Partial Fraction
+
b² > 4ac
b² = 4ac
b² < 4ac
A
B с
(x+a) (x-b) (x+c)
+
A
B
C
(x+a) (x+a)² (x+a)³
+
+
+
Ax+ B
C
(ax²+bx+c) (x+d)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4612b8e-bd3c-4aa1-bedf-8b928188dc49%2F1044217a-f620-488d-85a3-f391ac21b1e0%2F7hqclyv_processed.png&w=3840&q=75)
Transcribed Image Text:Homogeneous second order linear differential equations: a
Auxiliary equation: am² + bm + c = 0
a) y Aemix+ Bem₂x
b) y = (Ax+ B)emix
c) y = ex (A cos m₂x + B sin m₂x)
The three main types of Partial Fraction
Linear Factors
Denominator Containing
Repeated Linear Factors
Quadratic Factors
Expression
f(x)
(x+a)(x-b)(x+c)
f(x)
(x + a)³
f(x)
(ax² +bx+c)(x+d)
The Laplace Transform of derivatives
L
= s£{y}-y(0)
{²} = s² {y} - sy(0) - y'(0)
dx
+ cy=0
Form of Partial Fraction
+
b² > 4ac
b² = 4ac
b² < 4ac
A
B с
(x+a) (x-b) (x+c)
+
A
B
C
(x+a) (x+a)² (x+a)³
+
+
+
Ax+ B
C
(ax²+bx+c) (x+d)
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