Use the "guessing" method to solve the following 2nd-order inhomogeneous ODEs. Note - you may need to consider adding two guesses based on the inhomogeneous part. (a) d²y dr² dy +4 + 5y = sin(2x), dr
Use the "guessing" method to solve the following 2nd-order inhomogeneous ODEs. Note - you may need to consider adding two guesses based on the inhomogeneous part. (a) d²y dr² dy +4 + 5y = sin(2x), dr
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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Step 1: Finding homogeneous solution
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Given nonhomogeneous differential equation
Corresponding homogeneous equation is
Let
So the auxiliary equation is
Solving,
Thus the complementary solution is
Where
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