d² f 1. Solve the differential equation dt2 + 9f = e-3t subject to the conditions f = 0 and dt df A at t = 0. dt

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Show your working and provide reasonable justifications for the steps in your arguments.

 

d² f
df
-3t
1. Solve the differential equation
+ 6-
+ 9f = e
subject to the conditions f = 0 and
dt2
dt
df
= A at t = 0.
dt
Transcribed Image Text:d² f df -3t 1. Solve the differential equation + 6- + 9f = e subject to the conditions f = 0 and dt2 dt df = A at t = 0. dt
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