SOLUTION: The matrices are A=1 2 3 3-2 1 4 2 1 X=x c=1 Y 2 Z 3 Write down the liniar equation given by ax=c and solve it f

Algebra ->  Matrices-and-determiminant -> SOLUTION: The matrices are A=1 2 3 3-2 1 4 2 1 X=x c=1 Y 2 Z 3 Write down the liniar equation given by ax=c and solve it f      Log On


   

Question 884234: The matrices are
A=1 2 3
3-2 1
4 2 1
X=x c=1
Y 2
Z 3
Write down the liniar equation given by ax=c and solve it for x,y,z method.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

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A=%28matrix%283%2C3%2C1%2C2%2C3%2C3%2C-2%2C1%2C4%2C2%2C1%29%29
abs%28A%29=40
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A%5Bx%5D=%28matrix%283%2C3%2C1%2C2%2C3%2C2%2C-2%2C1%2C3%2C2%2C1%29%29
abs%28A%5Bx%5D%29=28
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A%5By%5D=%28matrix%283%2C3%2C1%2C1%2C3%2C3%2C2%2C1%2C4%2C3%2C1%29%29
abs%28A%5By%5D%29=3
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A%5Bz%5D=%28matrix%283%2C3%2C1%2C2%2C1%2C3%2C-2%2C2%2C4%2C2%2C3%29%29
abs%28A%5Bz%5D%29=2
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x=abs%28A%5Bx%5D%29%2Fabs%28A%29=28%2F40=7%2F10
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y=abs%28A%5By%5D%29%2Fabs%28A%29=3%2F40=7%2F10
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z=abs%28A%5Bz%5D%29%2Fabs%28A%29=2%2F40=1%2F20