3. (a) Express the following function in terms of Heaviside unit step function and hence, find the (1-1 Laplace transform of f(t) where fo-3-1 23. 2mt Sin (b) If f (t+T)=f(t), find the Laplace transform of f(t) where f() = T.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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3. (a) Express the following function in terms of Heaviside unit step function and hence, find the
(1-1
Laplace transform of f(t) where fu)-3-1
2<t<3;
1>3.
工
(b) If f(t +T) =f(t), find the Laplace transform of f(t) where ft)%=-
2nt
Sin
0.
SI<T
7127
Transcribed Image Text:3. (a) Express the following function in terms of Heaviside unit step function and hence, find the (1-1 Laplace transform of f(t) where fu)-3-1 2<t<3; 1>3. 工 (b) If f(t +T) =f(t), find the Laplace transform of f(t) where ft)%=- 2nt Sin 0. SI<T 7127
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