Problem 5: Using the above result, show that if f(t) = tn, then n! (L{f})(s) sn+1> where n! = n(n – 1)(n – 2). . - 2 ·1. (Hint: write f(t) =t - t"-1 so that you get (L{t"})(s) in terms of the n-th derivative of the Laplace transform of 1.)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
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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Problem 5: Using the above result, show that if f(t) = t", then
n!
(L{f})(s) :
sn+1
where n! = n( – 1)(n – 2) ·. . 2·1. (Hint: write f(t) = t · t"-1 so that you get (L{t"})(s) in terms
of the n-th derivative of the Laplace transform of 1.)
Problem 6: Find the Laplace transform of the following functions:
A: f(t)
defined if s > a.
= eat, where a is some real number. Note that the Laplace transform here is only
B: f(t) = cos(wt), where w > 0.
C: f(t) = sin(wt), where w > 0.
Transcribed Image Text:Problem 5: Using the above result, show that if f(t) = t", then n! (L{f})(s) : sn+1 where n! = n( – 1)(n – 2) ·. . 2·1. (Hint: write f(t) = t · t"-1 so that you get (L{t"})(s) in terms of the n-th derivative of the Laplace transform of 1.) Problem 6: Find the Laplace transform of the following functions: A: f(t) defined if s > a. = eat, where a is some real number. Note that the Laplace transform here is only B: f(t) = cos(wt), where w > 0. C: f(t) = sin(wt), where w > 0.
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