Determine eat by first finding a fundamental matrix X(t) for x' = Ax and then using the formula et = X(t)X(0)¯¹. 1 1 25 1 A = First, find X(t). Choose the correct answer below. O A. X(t) = - 4t 5e 4t - 4t e6t 5e6t 6t

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Determine eAt by first finding a fundamental matrix X(t) for x'=Ax and then using the formula At = X(t)X(0)¯ ¹.
[21]
25 1
A =
First, find X(t). Choose the correct answer below.
O A. X(t) =
B. X(t) =
O c. X(t)=
D. X(t)=
Next, find et
eAt=
=
e-4t e6t
5e6t
5e
4t
-4t - e6t
5e6t
- 4t
5e
(1 – t)e-4 e6t
(5+1)e-4t 5e6t
- 4t
6t sin 6t
cos 6t 5e6t sin 6t
cos 6t
4t
5e
Transcribed Image Text:Determine eAt by first finding a fundamental matrix X(t) for x'=Ax and then using the formula At = X(t)X(0)¯ ¹. [21] 25 1 A = First, find X(t). Choose the correct answer below. O A. X(t) = B. X(t) = O c. X(t)= D. X(t)= Next, find et eAt= = e-4t e6t 5e6t 5e 4t -4t - e6t 5e6t - 4t 5e (1 – t)e-4 e6t (5+1)e-4t 5e6t - 4t 6t sin 6t cos 6t 5e6t sin 6t cos 6t 4t 5e
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