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20. y' + 3y +2y = e' (t² + 1) sin(2t)+3e¯* cos(t) + 21. y" + 2y' + 5y = 3te cos(2t) - 2te cos(1) 22. Consider the equation

20. y' + 3y +2y = e' (t² + 1) sin(2t)+3e¯* cos(t) + 21. y" + 2y' + 5y = 3te cos(2t) - 2te cos(1) 22. Consider the equation

Advanced Engineering Mathematics
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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20. y" + 3y' + 2y = e(t² + 1) sin(2t) + 3e cos(()+4 21. y' + 2y' + 5y = 3te cos(2r) - 2te cos(1) 22. Consider the equation.
Transcribed Image Text:20. y" + 3y' + 2y = e(t² + 1) sin(2t) + 3e cos(()+4 21. y' + 2y' + 5y = 3te cos(2r) - 2te cos(1) 22. Consider the equation.
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