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 е 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), 1, L{f(t)} = 0 ≤t 0)

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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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
L{f(t)} = * e-stf(t) dt
е
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),
1,
L{f(t)} =
0 ≤t<n
tzn
(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 L{f(t)} = * e-stf(t) dt е 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), 1, L{f(t)} = 0 ≤t<n tzn (s > 0)
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