Find the rank of the following matrices which are in row - echelon form.
`[[-3,1,4],[0,2,1],[0,0,-1]]`

Find the rank of the following matrices which are in row - echelon form. [[-2,1,-3],[0,-1,4],[0,0,0]]

Find the rank of the following matrices which are in row - echelon form. [[1,2,3],[0,-1,4],[0,0,0],[0,0,0]]

Find the rank of the following matrices by row reduction method : [{:(1,1,1,3),(2,-1,3,4),(5,-1,7,11):}]

Find the rank of the following matrices by minor method : [{:(1,-2,-1,0),(3,-6,-3,1):}]

Find the rank of the matrix [[0,0],[-1,1]]

Find the rank of the following matrices by minor method : [{:(0,1,2,1),(0,2,4,3),(8,1,0,2):}]

Find the rank of the following matrices by row reduction method : [{:(1," "2,-1),(3,-1,2),(1,-2,3),(1,-1,1):}]