2 votes 2 votes The rank of above matrix is 3 then what is that square sub matrix of order 3 whose determinant is not equal to 0. Linear Algebra matrix rank-of-matrix linear-algebra + – harshit agarwal asked Jan 8, 2017 harshit agarwal 1.6k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 4 votes 4 votes You can have any rows and columns for considering the rank. Here, you consider R1, R3, R4 for rank. Hence, rank=3 Sushant Gokhale answered Jan 10, 2017 selected Jan 13, 2017 by Tendua Sushant Gokhale comment Share Follow See 1 comment See all 1 1 comment reply Sushant Gokhale commented Jan 10, 2017 reply Follow Share Else you can consider going for reduced row-echelon form. 0 votes 0 votes Please log in or register to add a comment.