Find the laplace transform of f(t) = t²e-3t cos 6t OF (s): 28³-1882-1628-591 (s²+6s+45) OF (s) = 28-1282-1648-594 (s² +6s+45) 28+18s +1618-591 OF (s) 18+Gs+45) 28%-168² 1608-594 OF (s) (8+Gs+45) 28 168² 1608-594 (8² +68+45) 2s 16s 1568-591 (sª+Gs+45)* 28²-16s 1618 541 2s 18s 156s 591 18+Gs+45) OF (s) OF (s) OF (s) OF (s)

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 of
f(t) = t²e-3t
cos 6t
OF (s):
28³-1882-1628-591
(s²+6s+45)
OF (s) =
28-1282-1648-594
(s² +6s+45)
28+18s +1618-591
OF (s)
18+Gs+45)
28%-168² 1608-594
OF (s)
(8+Gs+45)
28 168² 1608-594
(8² +68+45)
2s 16s 1568-591
(sª+Gs+45)*
28²-16s 1618 541
2s 18s 156s 591
18+Gs+45)
OF (s)
OF (s)
OF (s)
OF (s)
Transcribed Image Text:Find the laplace transform of f(t) = t²e-3t cos 6t OF (s): 28³-1882-1628-591 (s²+6s+45) OF (s) = 28-1282-1648-594 (s² +6s+45) 28+18s +1618-591 OF (s) 18+Gs+45) 28%-168² 1608-594 OF (s) (8+Gs+45) 28 168² 1608-594 (8² +68+45) 2s 16s 1568-591 (sª+Gs+45)* 28²-16s 1618 541 2s 18s 156s 591 18+Gs+45) OF (s) OF (s) OF (s) OF (s)
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