Solve: x1 x2 x3 x4 5 -6 4 4 = 0 -1 1 2 2 = 5 4 -5 6 6 = 5 2 -2 -4 -4 =-10 (x1 x2 = ( ) + ( ) s + ( ) t x3 x4)
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Originally Posted by cityfrontsailor Solve: x1 x2 x3 x4 5 -6 4 4 = 0 -1 1 2 2 = 5 4 -5 6 6 = 5 2 -2 -4 -4 =-10 (x1 x2 = ( ) + ( ) s + ( ) t x3 x4) Do the rref. of:$\displaystyle \begin{bmatrix} 5 & -6 & 4 & 4 & 0\\ -1 & 1 & 2 & 2 & 5\\ 4 & -5 & 6 & 6 & 5\\ 2 & -2 & -4 & -4 & -10 \end{bmatrix}$
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