Use Definition 7.1.1, DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t > 0. Then the integral L{f(t)} = "*" e-stf(t) dt is said to be the Laplace transform of f provided that the integral c
Use Definition 7.1.1, DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t > 0. Then the integral L{f(t)} = "*" e-stf(t) dt is said to be the Laplace transform of f provided that the integral c
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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![**Use Definition 7.1.1**
**DEFINITION 7.1.1 Laplace Transform**
Let \( f \) be a function defined for \( t \geq 0 \). Then the integral
\[
\mathcal{L}\{f(t)\} = \int_{0}^{\infty} e^{-st}f(t) \, dt
\]
is said to be the *Laplace transform* of \( f \), provided that the integral converges.
To find \(\mathcal{L}\{f(t)\}\). (Write your answer as a function of \( s \).)
\( f(t) = te^{7t} \)
\[
\mathcal{L}\{f(t)\} = \quad \text{(s > 7)}
\]
---
**Use Theorem 7.1.1 to find \(\mathcal{L}\{f(t)\}\). (Write your answer as a function of \( s \).)**
\( f(t) = 8t^4 \)
\[
\mathcal{L}\{f(t)\} =
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Transcribed Image Text:**Use Definition 7.1.1**
**DEFINITION 7.1.1 Laplace Transform**
Let \( f \) be a function defined for \( t \geq 0 \). Then the integral
\[
\mathcal{L}\{f(t)\} = \int_{0}^{\infty} e^{-st}f(t) \, dt
\]
is said to be the *Laplace transform* of \( f \), provided that the integral converges.
To find \(\mathcal{L}\{f(t)\}\). (Write your answer as a function of \( s \).)
\( f(t) = te^{7t} \)
\[
\mathcal{L}\{f(t)\} = \quad \text{(s > 7)}
\]
---
**Use Theorem 7.1.1 to find \(\mathcal{L}\{f(t)\}\). (Write your answer as a function of \( s \).)**
\( f(t) = 8t^4 \)
\[
\mathcal{L}\{f(t)\} =
\]
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