#[Reduced row-echelon form][Rorma escalonada reducida por filas]#
A matrix is in row-reduced echelon form (or reduced for short) if:
The leading entry of each non-zero row is a 1.
The column of every leading entry is clear; that is, the other entries in its column are all zero. (Note: Columns that do not contain leading entries do not need to be clear.)
The rows are arranged so that the leading entries go from left to right as you go down the rows. Rows of zeros (if any) are at the bottom.
#[One for you][Uno para ti]#
Repeat for the following matrix, also one step away from complete reduction:
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#[Now enter the resulting matrix.][Ahora ingresa la matriz resultante.]#