Linearity is important because the structure of the the family of solutions to a linear equation is fairly simple. Linear equations can usually be solved completely and explicitly. Determine whether or not each equation is linear: 1. y" y+t²0 N ? ? 1st order Linear 2nd order Linear 3rd order Linear 4th order Linear 5th order Linear fat order 1st order Nonlinear 2nd order Nonlinear 3rd order Nonlinear 4th order Nonlinear 5th order Nonlinear d²y dy 2. t² +t- dt2 dt 3. d'y dtª 4. y" + +2y= sin t d³y d²y + dt3 dt2 y+y² = 0 dit on this problem. + dy dt 1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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It can be helpful to classify a differential equation, so that we can predict the techniques that might help us to find a function which solves the equation. Two classifications are the order of the equation -- (what is the highest number of derivatives involved) and whether or not the equation is linear .
Linearity is important because the structure of the the family of solutions to a linear equation is fairly simple. Linear equations can usually be solved completely and explicitly. Determine whether or not each equation is linear:

Linearity is important because the structure of the the family of solutions to a linear equation is fairly simple. Linear equations can usually be solved completely and explicitly. Determine whether or not each equation is linear:
1. y" -y+t2² = 0
N
?
?
1st order Linear
2nd order Linear
3rd order Linear
4th order Linear
5th order Linear
1st order Nonlinear
2nd order Nonlinear
3rd order Nonlinear
4th order Nonlinear
5th order Nonlinear
2. ²
3.
d²y
dt2
dy
+t
dt
d¹y d³y
+ +
dt4 dt³
+ 2y = sint
4. y" -y + y² =
dit on this problem.
d²y dy
+
dt²
dt
0
= 1
Transcribed Image Text:Linearity is important because the structure of the the family of solutions to a linear equation is fairly simple. Linear equations can usually be solved completely and explicitly. Determine whether or not each equation is linear: 1. y" -y+t2² = 0 N ? ? 1st order Linear 2nd order Linear 3rd order Linear 4th order Linear 5th order Linear 1st order Nonlinear 2nd order Nonlinear 3rd order Nonlinear 4th order Nonlinear 5th order Nonlinear 2. ² 3. d²y dt2 dy +t dt d¹y d³y + + dt4 dt³ + 2y = sint 4. y" -y + y² = dit on this problem. d²y dy + dt² dt 0 = 1
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