3 cosh 2t 3s 2) -4

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Find the Inverse Laplace Transforms of the following : Please solve problem number 2 only. Answer are already given on its side. Thanks!
Inverse Laplace Transforms
Find the Inverse Laplace Transforms of the following.
Linearity
F(s)
f(t)
4et
F(s)
f(t)
4
1)
S-3
48 – 60V5
4)
32 %
8t°
6 cos 3t – 18 sin 3t
3s
2)
s? - 4
3s +3s
3)
3 cosh 2t
6s - 54
5)
s? +9
3s +9
6)
s? +5
9/5
-sin 5t
5
3 cos 5t +
8
Completing the Square and Translations
F(s)
10s +15
1)
s? – 2s +5
f(t)
F(s)
f(t)
25
10e' cos 2t +e' sin2t
4)
s? – 2s +9
e' sin2/2t
2
V2s
e% 5
+te %
2
VZe' cos Zt + e' sin žt
2)
s? – 2s + 3
4s+ 12
5)
4s? +4s+1
5.
V10
12s - 24
6)
s? +16
S+2
12cos4t – 6sin4t
3)
2s? + 4s + 7
cos,t+
10
sin,
Partial Fractions
f(t)
10(e-10t -e 201)
F(s)
100
1)
(s+10)(s+ 20)
s? - 2s +5
2)
(s-2)°
5
e + 2te" +t'et
4s +3
3)
(s– 1)(s² + 1)
7
7
-e'
t+-sint
- cost+-
2
5
sint-e sin2t
s? + 2s +7
1
4)
(s? +2s + 2)(s? + 2s+ 5)
2
e- cost + sint
5)
(s + 1)(s² +1)
2s + 42
6)
2s? – 7s - 15
4e – 3e %
4
1- cos 2t
7)
s(s² + 4)
2
e*- cost + sint
8)
(s+ 1)(s² +1)
Transcribed Image Text:Inverse Laplace Transforms Find the Inverse Laplace Transforms of the following. Linearity F(s) f(t) 4et F(s) f(t) 4 1) S-3 48 – 60V5 4) 32 % 8t° 6 cos 3t – 18 sin 3t 3s 2) s? - 4 3s +3s 3) 3 cosh 2t 6s - 54 5) s? +9 3s +9 6) s? +5 9/5 -sin 5t 5 3 cos 5t + 8 Completing the Square and Translations F(s) 10s +15 1) s? – 2s +5 f(t) F(s) f(t) 25 10e' cos 2t +e' sin2t 4) s? – 2s +9 e' sin2/2t 2 V2s e% 5 +te % 2 VZe' cos Zt + e' sin žt 2) s? – 2s + 3 4s+ 12 5) 4s? +4s+1 5. V10 12s - 24 6) s? +16 S+2 12cos4t – 6sin4t 3) 2s? + 4s + 7 cos,t+ 10 sin, Partial Fractions f(t) 10(e-10t -e 201) F(s) 100 1) (s+10)(s+ 20) s? - 2s +5 2) (s-2)° 5 e + 2te" +t'et 4s +3 3) (s– 1)(s² + 1) 7 7 -e' t+-sint - cost+- 2 5 sint-e sin2t s? + 2s +7 1 4) (s? +2s + 2)(s? + 2s+ 5) 2 e- cost + sint 5) (s + 1)(s² +1) 2s + 42 6) 2s? – 7s - 15 4e – 3e % 4 1- cos 2t 7) s(s² + 4) 2 e*- cost + sint 8) (s+ 1)(s² +1)
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