Algebra - Matrix
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Need help in solving AX=b equations;
[ 200 ] [ 4 ]
-120 10
A= -241 ,B= 11 , AX=B
a) [0,8,9]
b) [2,6,-9]
c) [3, 7, 8]
d) [3,6,-10]
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Solution Summary
Matrix equations for AX=b equations are provided. Neat and step-wise solution is provided.
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Need help in solving AX=b equations;
[ 200 ] [ 4 ]
-120 10
A= -241 ,B= 11 , AX=B
a) [0,8,9]
b) [2,6,-9]
c) [3, 7, 8]
d) [3,6,-10]
Let X =
We have X = (A^-1)B
To find A^-1:
Adjoining I3 to the given matrix, we obtain the 3x6 matrix:
2 0 0 1 0 0
-1 2 0 0 1 0
-2 4 1 0 0 1
Row
Operation
1: 2 0 0 1 0 0
-1 2 0 0 1 0
-2 4 1 0 0 1
multiply the 1st row by 1/2 1 0 0 1
________________________________________ 2 0 0
-1 2 0 0 ...
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