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Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterA: Appendix
SectionA.3: Inequalities
Problem 11E
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4.
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<P
You have answered 2 out of 3 parts correctly.
Use the Laplace transform to solve the following initial value problem: y" +y + 4y = h(t – 1), y(0) = 2, (0) = -2,
where h is the Heaviside function.
In the following parts, use h(t – c) for the shifted Heaviside function he(t) when necessary.
a. First, take the Laplace transform of both sides of the given differential equation to create the corresponding algebraic equation and then solve for L{y(t)}.
2s
L{y(t)}(s) =
s(s?
+s+4)
s2 +s+4
b. Express the solution y(t) as the sum of the solution the corresponding homogeneous initial value problem and a convolution integral.
ct
/ 15
| h(w-1) sin
b(w-1) sin( E (1-w) -w)
y(t) =
dw
2
| 15
Transcribed Image Text:4. Try again <P You have answered 2 out of 3 parts correctly. Use the Laplace transform to solve the following initial value problem: y" +y + 4y = h(t – 1), y(0) = 2, (0) = -2, where h is the Heaviside function. In the following parts, use h(t – c) for the shifted Heaviside function he(t) when necessary. a. First, take the Laplace transform of both sides of the given differential equation to create the corresponding algebraic equation and then solve for L{y(t)}. 2s L{y(t)}(s) = s(s? +s+4) s2 +s+4 b. Express the solution y(t) as the sum of the solution the corresponding homogeneous initial value problem and a convolution integral. ct / 15 | h(w-1) sin b(w-1) sin( E (1-w) -w) y(t) = dw 2 | 15
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