For nos.2-7, do NOT integrate anymore. Just use the Laplace Formulas directly. If needed, apply the trigonometric identities first [ For example, cos(A+B) = cosAcosB - sinAsinB] before using the Laplace formulas. (v2) t %3D For no.3, V2t means Find L{f (t)}of the following functions. Note: a, b, e, k and n are constants. 7. f(t)=3e" cosh (In 21) in two ways. -2t

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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For nos.2-7, do NOT integrate anymore. Just
use the Laplace Formulas directly. If needed,
apply the trigonometric identities first [ For
example, cos(A+B) = cosAcosB - sinAsinB]
before using the Laplace formulas.
(v2) t
For no.3, V2t
means
Find L{f (t)}of the following functions. Note: a, b, e, k and n are constants.
7. f(t)=3e" cosh (In 2r) in two ways.
-2t
Transcribed Image Text:For nos.2-7, do NOT integrate anymore. Just use the Laplace Formulas directly. If needed, apply the trigonometric identities first [ For example, cos(A+B) = cosAcosB - sinAsinB] before using the Laplace formulas. (v2) t For no.3, V2t means Find L{f (t)}of the following functions. Note: a, b, e, k and n are constants. 7. f(t)=3e" cosh (In 2r) in two ways. -2t
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