In Problems 25-28 use (12) to verify that the indicated function is a solution of the given differential equation. Assume an appropriate interval I of definition of each solution. dy -3t e dt 25. x-3xy = 1; y = dx %3D
In Problems 25-28 use (12) to verify that the indicated function is a solution of the given differential equation. Assume an appropriate interval I of definition of each solution. dy -3t e dt 25. x-3xy = 1; y = dx %3D
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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Transcribed Image Text:d°y
24. х3.
+ 2r2
--+y= 12x²;
dr3
dx?
dx
y = cxl + c2x + c3x In x+ 4x2
Dise
In Problems 25-28 use (12) to verify that the indicated function is
a solution of the given differential equation. Assume an appropriate
interval I of definition of each solution.
43.
44.
dy
25. x
- 3xy = 1; y = e3x
e-3t
dt
dx
45.
dy
26. 2х — - у 3D 2х сos x;
dx
y = Vx
Vi
* cos t
dt
dy
+ xy = 10 sin x; y=-+
dx
5
10
27. x
sin t
dt
X J1
46.
dy
28.+20y 1; y e+ dt
%3D
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