Solve (2 0

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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Solve
2 0<t<7
y"-4y+3y=
y(0) = 1 and y'(0) = 0
-3 t≥ 7
y(t) = f(t) − g(t)u(t — 7), where
-
1 3t 3
f(t) = ½³+ et
-
-
-
g(t)
= 3
×
Transcribed Image Text:Solve 2 0<t<7 y"-4y+3y= y(0) = 1 and y'(0) = 0 -3 t≥ 7 y(t) = f(t) − g(t)u(t — 7), where - 1 3t 3 f(t) = ½³+ et - - - g(t) = 3 ×
Use the Laplace transform to solve the initial value problem
y"-3y+2y= f(t), y(0) = 0, y'(0) = 0
where
Note: Use u for the step function.
1 2t
y(t) = 3/15
+t+ √ √ e² - 2e²
f(t) = {2
if 0<t<4
2t8 if t≥ 4
✓
Transcribed Image Text:Use the Laplace transform to solve the initial value problem y"-3y+2y= f(t), y(0) = 0, y'(0) = 0 where Note: Use u for the step function. 1 2t y(t) = 3/15 +t+ √ √ e² - 2e² f(t) = {2 if 0<t<4 2t8 if t≥ 4 ✓
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