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d'f+2+ 5f = e*cos3t , with f(0) =0, f(0) =0 . dt dt

d'f+2+ 5f = e*cos3t , with f(0) =0, f(0) =0 . dt dt

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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Find the roots of the auxiliary equation for the following. Hence solve them for the boundary
conditions stated.

d2f/dt2 + 2*df/dt + 5f = e-tcos3t , with f(0) = 0, f'(0) = 0.

d'f dt +20. + 5f = e"cos3t , with f(0) = 0, f(0) =0. dt
Transcribed Image Text:d'f dt +20. + 5f = e"cos3t , with f(0) = 0, f(0) =0. dt
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