(a) L{t+ sin 4t – e cosh nt} -

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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2. Evaluate
(a) L{t+ sin 4t – e2t cosh rt}
(b) L{e' + cos 4t U(t – 7/2)}
|
s+1
(c) L-1{:
i}
(s +2)(s² + 2s + 5)
-2s
(d) L-1{
s2(s – 1)
|
Transcribed Image Text:2. Evaluate (a) L{t+ sin 4t – e2t cosh rt} (b) L{e' + cos 4t U(t – 7/2)} | s+1 (c) L-1{: i} (s +2)(s² + 2s + 5) -2s (d) L-1{ s2(s – 1) |
3. Use Laplace transform to solve the IVP
y" + 9y = e', y(0) = 0, y'(0) = 0.
Transcribed Image Text:3. Use Laplace transform to solve the IVP y" + 9y = e', y(0) = 0, y'(0) = 0.
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