Find the Laplace transform f(t) = tcosh(3t) A) F(s) (s2-9)2 B) F(s) s +9 (S2-9)3 C) F(s) (s2 +9)a (s² -9)² D) F(s) = s2 +9

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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Find the Laplace transform
f(t) = t cosh(3t)
A) F(s)
(s2-9)2
s+9
B) F(s)
(s2-9)3
C) F(s) =
(s2 +9)3
(s2-9)2
D) F(s) =
%3D
6+25
Transcribed Image Text:Find the Laplace transform f(t) = t cosh(3t) A) F(s) (s2-9)2 s+9 B) F(s) (s2-9)3 C) F(s) = (s2 +9)3 (s2-9)2 D) F(s) = %3D 6+25
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