If the minors of -1 and 3 in the matrix `[[2,-1,4],[0,-2,5],[-3,1,3]]` are a and b then ab=

" (b) Find the rank of the matrix : "A=[[2,1,4,7],[3,6,2,1],[0,0,1,5]]

In the matrix [[1,0,5],[2,-3,4]] order of matrix matrix is………

Find the rank of the matrix [[1,2,3,2],[2,3,5,1],[1,3,4,5]]

5.Find the rank of the matrix [[2,2,-1],[4,1,2],[3,-1,0],[1,-2,-1]]

(b) Find the rank of the matrix [[1,-1,2,-1],[4,2,-1,2],[3,2,-2,0]]

(b) Find the rank of the matrix [[1,1,1,1],[1,3,-2,1],[2,0,-3,2],[3,3,-3,3]]

Matrix of co-factors of the matrix [[1, 0, 2], [-2, 1, 3], [0, 3, -5]] is

Rank of the matrix [[3,0,2], [-1,1,0],[5,2,3]] is (1) 1 (2) 2 (3) 3 (4) 4

If the rank of the matrix A= [(1,2,3,0),(2,4,3,2),(3,2,1,3),(6,8,7,alpha)] is 3 then a= (A) -5 (B) 5 (C) 4 (D) 4