Determine e At by first finding a fundamental matrix X(t) for x' = Ax and then using the formula eAt- ¹=X(t)X(0) A = 5 5 5 10 5 -5 0-5 5 First, find X(t). Choose the correct answer below. O A. X(t)= O c. X(t)= 4 10t 5t cos 5t e sin 5t (1 + 5t)e ¹0t cos 5t 10t 10t e-5t - 5t 10t e 10t sin 5t (1-5t)e 10t cos 5t - te 10t 10t sin 5t e10t e10t (1 + 5t)e 10t (1-5t)e 10t-e10t e 10t OB. X(t) = OD. X(t)= 3 e-5t e-St 3 - 5t e-5t e-St e10t 5te 10t e10t (1-5t)e 10t - e10t e10t 10t 0 (1-5)te (1-5t)e 10t 0 e 10t e10t

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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Determine e At by first finding a fundamental matrix X(t) for x' = Ax and then using the formula eAt = X(t)X(0)1.
A =
5
10
0
First, find X(t). Choose the correct answer below.
O A. X(t) =
5 5
5 - 5
5 5
C. X(t) =
4
-
1
3
10t
e
10t
1
ze
cos 5t
10t
5t
e-5t
- 5t
10t
sin 5t (1 + 5t)e'
sin 5t (1-5t)e
e 10t
e10t sin 5t
10t
(1 + 5t)e
10t
cos 5t
e 10t
e 10t
e 10t
(1-5t)e 10t - 10t
e
e
cos 5t - te 10t
10t
B. X(t) =
OD. X(t) =
3
1
3
4
- 5t
- 5t
- 5t
- 5t
- 5t
e 10t
ze
10t
5te
10t
(1 - 5t)e
e
e 10t
e-5t (1-5)te 10t - e10t
(1 - 5t)e 10t
0
10t
- e 10t
0
e 10t
Transcribed Image Text:Determine e At by first finding a fundamental matrix X(t) for x' = Ax and then using the formula eAt = X(t)X(0)1. A = 5 10 0 First, find X(t). Choose the correct answer below. O A. X(t) = 5 5 5 - 5 5 5 C. X(t) = 4 - 1 3 10t e 10t 1 ze cos 5t 10t 5t e-5t - 5t 10t sin 5t (1 + 5t)e' sin 5t (1-5t)e e 10t e10t sin 5t 10t (1 + 5t)e 10t cos 5t e 10t e 10t e 10t (1-5t)e 10t - 10t e e cos 5t - te 10t 10t B. X(t) = OD. X(t) = 3 1 3 4 - 5t - 5t - 5t - 5t - 5t e 10t ze 10t 5te 10t (1 - 5t)e e e 10t e-5t (1-5)te 10t - e10t (1 - 5t)e 10t 0 10t - e 10t 0 e 10t
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