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what is M?
x1+x2=2x3+4x4=5
2x1+2x2=3x3+x4=3
3x1+3x2-4x3-2x4=1
why does M={ 1 1 -2 4 5 }
2 2 -3 1 3
3 3 -4 -2 1
i know how they got this but how do you get
~{ 1 1 -2 4 5 } { 1 1 0 -10 -9
0 0 1 -7- 7 ~~~ 0 0 1 -7 -7 ??????? HOW?
0 0 2 -14 -14} 0 0 0 0 0
x1+x2=2x3+4x4=5
2x1+2x2=3x3+x4=3
3x1+3x2-4x3-2x4=1
why does M={ 1 1 -2 4 5 }
2 2 -3 1 3
3 3 -4 -2 1
i know how they got this but how do you get
~{ 1 1 -2 4 5 } { 1 1 0 -10 -9
0 0 1 -7- 7 ~~~ 0 0 1 -7 -7 ??????? HOW?
0 0 2 -14 -14} 0 0 0 0 0