(Solved): \[ \left[\begin{array}{rrrrrr|r} 1 & 5 & -4 & -2 & -7 & 7 & 9 \\ 0 & 0 & 0 & 1 & -7 & 6 & -6 \\ 0 ...
\[ \left[\begin{array}{rrrrrr|r} 1 & 5 & -4 & -2 & -7 & 7 & 9 \\ 0 & 0 & 0 & 1 & -7 & 6 & -6 \\ 0 & 0 & 0 & 0 & 0 & 1 & -2 \end{array}\right] \] The solution is \( 21 \times 5+4 \times 3-5 \times 2+35 \) \[ \frac{(21 \times 5+4 \times 3-x 1+35)}{5} \] \( \frac{(21 x 5-5 \times 2-x 1+35)}{-4} \)
Expert Answer
Given augmented matrix : [15?4?2?7790001?76?6000001?2] To Find : x1,x2,x3,x4,x5,x6 Using gaussian elimination method: Since the element at row 2 and c