20. е -3.1х cos 2.1x, e -3.1х sin 2.1x
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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solve 20

Transcribed Image Text:y" + ay' + by = 0 for the given basis.
%3D
16. е2.6х —4.3х
-4.3x
e
18. cos 2Tx, sin 27x
,-3.1x cos 2.1x, e
(-
20. е
e-3.1x
sin 2.1x
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