Reduce the given matrix to normal form, and hence find its rank. ( begin{bmatrix}1& 2& -2& 3 2& 5& -4& 6 -1& -3& 2& -2 2& 4& -1& 6 end{bmatrix} )

Reduce the given matrix to normal form, and hence find its rank. ( beg

1.	Reduce the given matrix to normal form, and hence find its rank. ( begin{bmatrix}1& 2& -2& 3 2& 5& -4& 6 -1& -3& 2& -2 2& 4& -1& 6 end{bmatrix} )
A.	1
B.	4
C.	3
D.	2
Answer» C. 3