Use the Laplace transform to solve the following initial value problem: y" - 1y - 30y = 0 y(0) = −4, y'(0) = 2 First, using Y for the Laplace transform of y(t), i.e., Y = = L{y(t)}, find the equation you get by taking the Laplace transform of the differential equation = 0 Now solve for Y(s) = and write the above answer in its partial fraction decomposition, Y(s) Y(s) = Now by inverting the transform, find y(t) = = A s+a + where a < b B 8+6

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Use the Laplace transform to solve the following initial value problem:
y" - 1y - 30y = 0
First, using Y for the Laplace transform of y(t), i.e., Y = = L{y(t)},
find the equation you get by taking the Laplace transform of the differential equation
= 0
y(0) = −4, y'(0) = 2
Now solve for Y(s) =
and write the above answer in its partial fraction decomposition, Y(s)
Y(s) =
Now by inverting the transform, find y(t) =
=
+
A
s+a
+
B
s+b
where a < b
Transcribed Image Text:Use the Laplace transform to solve the following initial value problem: y" - 1y - 30y = 0 First, using Y for the Laplace transform of y(t), i.e., Y = = L{y(t)}, find the equation you get by taking the Laplace transform of the differential equation = 0 y(0) = −4, y'(0) = 2 Now solve for Y(s) = and write the above answer in its partial fraction decomposition, Y(s) Y(s) = Now by inverting the transform, find y(t) = = + A s+a + B s+b where a < b
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