Systems of linear equations: System of linear equations and matrices
Row reduction of a matrix to a reduced echelon form
Determine the reduced row echelon form of the matrix \[\matrix{1 &1 & -5 &12 \\
-1 &-17 &17 &-36 \\
-1 &-1 &-11 &20 \\}\] You can enter an intermediate result to check whether you're still on the right track.
-1 &-17 &17 &-36 \\
-1 &-1 &-11 &20 \\}\] You can enter an intermediate result to check whether you're still on the right track.
| \(\matrix{1 &1 & -5 &12 \\ -1 &-17 &17 &-36 \\ -1 &-1 &-11 &20 \\}\sim{} \) |
\Box &\Box &\Box &\Box \\
\Box &\Box &\Box &\Box}\)
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