If we assume that then Use this result to find the Laplace
Chapter 7, Problem 66E(choose chapter or problem)
If we assume that \(\mathscr{L}\{f(t) / t\}\) exists and \(\mathscr{L}\{f(t)\}=F(s)\), then
\(\mathscr{L}\left\{\frac{f(t)}{t}\right\}=\int_{s}^{\infty} F(u) d u\).
Use this result to find the Laplace transform of the given function. The symbols a and k are positive constants.
(a) \(f(t)=\frac{\sin a t}{t}\)
(b) \(f(t)=\frac{2(1-\cos k t)}{t}\)
Text Transcription:
mathscr L f(t) / t
mathscr L ft=F(s)
mathscr L {f(t)/t}=int_s^infty F(u) d u
f(t)=sin a t/t
f(t)=2(1-cos k t)/t
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