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 \[\matrix{1 &2 & 1 &-1 \\
1 &-14 &21 &51 \\
1 &2 &17 &15 \\}\] You can enter an intermediate result to check whether you're still on the right track.
1 &-14 &21 &51 \\
1 &2 &17 &15 \\}\] You can enter an intermediate result to check whether you're still on the right track.
| \(\matrix{1 &2 & 1 &-1 \\ 1 &-14 &21 &51 \\ 1 &2 &17 &15 \\}\sim{} \) |
\Box &\Box &\Box &\Box \\
\Box &\Box &\Box &\Box}\)
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