to find L{f(t)}. (Write your answer as a function of s.) Scos(t), 0 st< n f(t) l0, L{f(t)} (s > 0)

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Chapter2: Second-order Linear Odes
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Use Definition 7.1.1,

DEFINITION 7.1.1    Laplace Transform
Let f be a function defined for 
t ≥ 0.
 Then the integral
ℒ{f(t)} = 
e−stf(t) dt
 
0
is said to be the Laplace transform of f, provided that the integral converges.

to find 

ℒ{f(t)}.

 (Write your answer as a function of s.)

f(t) = 
 
cos(t),      0 ≤ t < ?
0,   t ≥ ?

ℒ{f(t)} = 

 
 
 

   (s > 0)

Use Definition 7.1.1,
DEFINITION 7.1.1 Laplace Transform
Let f be a function defined for t > 0. Then the integral
LfMt} = [e-stf(t) dt
is said to be the Laplace transform of f, provided that the integral converges.
to find Lf(t)}. (Write your answer as a function of s.)
| cos(t),
l0,
0 <t< T
f(t)
t >π
L{f(t)} =
(s > 0)
Transcribed Image Text:Use Definition 7.1.1, DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t > 0. Then the integral LfMt} = [e-stf(t) dt is said to be the Laplace transform of f, provided that the integral converges. to find Lf(t)}. (Write your answer as a function of s.) | cos(t), l0, 0 <t< T f(t) t >π L{f(t)} = (s > 0)
Use Definition 7.1.1,
DEFINITION 7.1.1 Laplace Transform
Let f be a function defined for t > 0. Then the integral
LfMt} = [e-stf(t) dt
is said to be the Laplace transform of f, provided that the integral converges.
to find Lf(t)}. (Write your answer as a function of s.)
| cos(t),
l0,
0 <t< T
f(t)
t >π
L{f(t)} =
(s > 0)
Transcribed Image Text:Use Definition 7.1.1, DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t > 0. Then the integral LfMt} = [e-stf(t) dt is said to be the Laplace transform of f, provided that the integral converges. to find Lf(t)}. (Write your answer as a function of s.) | cos(t), l0, 0 <t< T f(t) t >π L{f(t)} = (s > 0)
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