d²x, 2 dx, dt dx2 + 12x1 – 2x2 = 0 dt² dt d²xz 3- dt2 1 dx1 5. 5. dt Txp° dt dx2 - 2x, + 2x2 = 0 1 a. A= -6 1 - 2.5 2.5 | 0.66 -0.66 1.66 -1.66| 1 1

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.4: Subtracting Real Numbers
Problem 48WE
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For the following system of coupled differential equations, write the matrix representation of a system of blocks and springs as an equivalent system of first-order equations.

 

d?x,
2.
dt2
dx1
+5-
5
dt
dx2
+ 12x1 – 2x2 = 0
dt
d²x2
3
dt2
1
dx1
dx2
- 2x1 + 2x2 = 0
dt
5.
+5.
dt
1
a. A=
-6
- 2.5
1
2.5
0.66 -0.66
1.66 -1.66
1
b. A =
-6
- 2.5
-1
2.5
0.66 -0.66 1.66 -1.66|
1
1
с.
A =
-6
1
- 2.5
2.5
0.66 -0.66 -1.66 1.66
1
1
d. A =
- 6
-1
- 2.5
2.5
- 0.66 -0.66 1.66 -1.66
1.
Transcribed Image Text:d?x, 2. dt2 dx1 +5- 5 dt dx2 + 12x1 – 2x2 = 0 dt d²x2 3 dt2 1 dx1 dx2 - 2x1 + 2x2 = 0 dt 5. +5. dt 1 a. A= -6 - 2.5 1 2.5 0.66 -0.66 1.66 -1.66 1 b. A = -6 - 2.5 -1 2.5 0.66 -0.66 1.66 -1.66| 1 1 с. A = -6 1 - 2.5 2.5 0.66 -0.66 -1.66 1.66 1 1 d. A = - 6 -1 - 2.5 2.5 - 0.66 -0.66 1.66 -1.66 1.
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