b) Solve the following differential equatión . = 1 + Sin x + 4x dy +2y dx dx

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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b) Solve the
following differential equatión .
= 1 + Sin x
+ 4x dy +2y
dx
dx
Transcribed Image Text:b) Solve the following differential equatión . = 1 + Sin x + 4x dy +2y dx dx
Expert Solution
Step 1

According to the given information it is required to solve the differential equation:

Advanced Math homework question answer, step 1, image 1

Step 2

The general solution of this differential equation will be of the form

Advanced Math homework question answer, step 2, image 1

Step 3

Find the complementary solution of homogeneous differential equation using Euler-Cauchy equation. Let’s a solution of this equation is proportional to

Advanced Math homework question answer, step 3, image 1

Step 4

Now the above roots gives:

Advanced Math homework question answer, step 4, image 1

Step 5

Now, find the particular solution of non-homogeneous differential equation using variation of parameter method. First find Wronskian of

Advanced Math homework question answer, step 5, image 1

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