In: Math
Consider the following.
| x1 | − | 2x2 | + | 3x3 | = | 3 | 
| −x1 | + | 3x2 | − | x3 | = | 2 | 
| 2x1 | − | 5x2 | + | 5x3 | = | 3 | 
(a) Write the system of linear equations as a matrix equation,
AX = B.
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| 
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x1 | 
 | 
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| x2 | ||||
| x3 | 
=
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(b) Use Gauss-Jordan elimination on
[A B]
to solve for the matrix X.
X =
| 
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x1 | 
 | 
||
| x2 | ||||
| x3 | 
=
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