1. Express the given function f (t) in terms of unit step function and use Second Shifting Theorem to find Laplace transform: L [ƒ (t)]=? t, ƒ(t) = { 2 − t, 6, 2. Use the Second Shifting Theorem to find inverse Laplace transform: L-¹ [F (s)]=? F (s) : = TS (1—2s) 0≤t<1 1≤t<2 t> 2 s² +4s+5

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. Express the given function f (t) in terms of unit step
function and use Second Shifting Theorem to find
Laplace transform: L [ƒ (t)]=?
t,
ƒ(t) = { 2 − t,
6,
2. Use the Second Shifting Theorem to find inverse
Laplace transform: L¯¹ [F (s)]=?
F (s) :
=
(1—2s)
s² +4s+5
0≤t<1
1≤t<2
t> 2
-TS
Transcribed Image Text:1. Express the given function f (t) in terms of unit step function and use Second Shifting Theorem to find Laplace transform: L [ƒ (t)]=? t, ƒ(t) = { 2 − t, 6, 2. Use the Second Shifting Theorem to find inverse Laplace transform: L¯¹ [F (s)]=? F (s) : = (1—2s) s² +4s+5 0≤t<1 1≤t<2 t> 2 -TS
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