Solve the initial value problem below using the method of Laplace transforms. Table of Laplace Transforms y" - 4y = 24t – 4 e – 2t, y(0) = 0, y'(0) = 7 Click here to view the table of Laplace transforms. Click here to view the table of properties of Laplace transforms. f(t) F(s) = L{f}(s) 1 ,s>0 y(t) = 1 (Type an exact answer in terms of e.) 1 e at s>0 s-a O Properties of Laplace Transforms n! tn, n= 1,2,.. sin bt s? + b2 s>0 L{f+ g} = L{f} + L{g} L{cf} = cL{f} for any constant c 2{e atf(t)} (s) = L{}(s - a) L(f'> (s) = sL{f}(s) – f(0) L(f'} (s) = s?L{}{(s) – sf(0) – f'(0) L{f{n)} (s) = s"£{f}(s) – s^ - 1 f(0) – sn - 2f'(0) – ... - f(n - 1) (0) cos bt s>0 n! e aten, n= 1,2,.. (s- a)n+1, s>a b e at sin bt ,s>a (s - a)2 + b2 dn L(1"f(1)} (s) = ( – 1)n - ds" L-1F, +Fa) = L- -(L{f}(s)) S-a at oor ht

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 77E
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Solve the initial value problem below using the method of Laplace transforms.
Table of Laplace Transforms
y" - 4y = 24t – 4 e – 2t, y(0) = 0, y'(0) = 7
Click here to view the table of Laplace transforms.
Click here to view the table of properties of Laplace transforms.
f(t)
F(s) = L{f}(s)
1
,s>0
y(t) =
1
(Type an exact answer in terms of e.)
1
e at
s>0
s-a
O Properties of Laplace Transforms
n!
tn, n= 1,2,..
sin bt
s? + b2 s>0
L{f+ g} = L{f} + L{g}
L{cf} = cL{f} for any constant c
2{e atf(t)} (s) = L{}(s - a)
L(f'> (s) = sL{f}(s) – f(0)
L(f'} (s) = s?L{}{(s) – sf(0) – f'(0)
L{f{n)} (s) = s"£{f}(s) – s^ - 1 f(0) – sn - 2f'(0) – ... - f(n - 1) (0)
cos bt
s>0
n!
e aten, n= 1,2,..
(s- a)n+1, s>a
b
e at sin bt
,s>a
(s - a)2 + b2
dn
L(1"f(1)} (s) = ( – 1)n -
ds"
L-1F, +Fa) = L-
-(L{f}(s))
S-a
at oor ht
Transcribed Image Text:Solve the initial value problem below using the method of Laplace transforms. Table of Laplace Transforms y" - 4y = 24t – 4 e – 2t, y(0) = 0, y'(0) = 7 Click here to view the table of Laplace transforms. Click here to view the table of properties of Laplace transforms. f(t) F(s) = L{f}(s) 1 ,s>0 y(t) = 1 (Type an exact answer in terms of e.) 1 e at s>0 s-a O Properties of Laplace Transforms n! tn, n= 1,2,.. sin bt s? + b2 s>0 L{f+ g} = L{f} + L{g} L{cf} = cL{f} for any constant c 2{e atf(t)} (s) = L{}(s - a) L(f'> (s) = sL{f}(s) – f(0) L(f'} (s) = s?L{}{(s) – sf(0) – f'(0) L{f{n)} (s) = s"£{f}(s) – s^ - 1 f(0) – sn - 2f'(0) – ... - f(n - 1) (0) cos bt s>0 n! e aten, n= 1,2,.. (s- a)n+1, s>a b e at sin bt ,s>a (s - a)2 + b2 dn L(1"f(1)} (s) = ( – 1)n - ds" L-1F, +Fa) = L- -(L{f}(s)) S-a at oor ht
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