For what values of k the following matrix is a reduced row

Last updated: 8/3/2022

For what values of k the following matrix is a reduced row echeleon form? [12 k²2 - 4k-3] [O O k 0] options: a) k = 0, 1 only b) k = 0, 1, 4 only no values of k d) k = 1, 3 only e) k = 0 only