Theorem 13: If f(t) has a continuous derivative and is of exponential order y for large positive values of t, where y>0 and if L[f(t)]= ƒ(p) then L"[f (p)]= f(t) is given by

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Theorem 13: If f(t) has a continuous derivative and is of exponential order y for large
positive values of t, where y>0 and if L[f(t)]= ƒ(p) then L"[f (p)]= f(t) is given by
1 (r+io
f(t) =-
2ni Jr-io
*" F(p)dp, t>0
.(9)
...
and
f(t)=0; t<0
Transcribed Image Text:Theorem 13: If f(t) has a continuous derivative and is of exponential order y for large positive values of t, where y>0 and if L[f(t)]= ƒ(p) then L"[f (p)]= f(t) is given by 1 (r+io f(t) =- 2ni Jr-io *" F(p)dp, t>0 .(9) ... and f(t)=0; t<0
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