Find the cofactor of the element 7 of the matrix `[[4,-8,6],[-1,1,5],[7,3,-4]]`.

The cofactor of element -7 in the matrix [[5,6,-3],[-4, 3, 2],[-4,-7,3]] is

Find the rank of the matrix A=[[9,7,3,6],[5,-1,4,1],[6,8,2,4]]

4.Find the rank of the matrix [[3,4,1,2],[3,2,1,4],[7,6,2,5]]

4.Find the rank of the matrix [[3,4,1,2],[3,2,1,4],[7,6,2,5]]

Find the minors of cofactors of elements of the matrix A=[a_(ij)]=[[1,3,-24,-5,63,5,2]]

1.Find the rank of the matrix [[1,-2,3,4],[-2,4,-1,-3],[-1,2,7,6]]

The cofactor of the element 0 in the determinant |(2,-3,5),(6,0,4),(1,5,-7)| is

(a) Find the rank of the matrix [[2,1,4,7],[3,6,2,1],[0,0,1,5]]

The cofactor of the element 4 in the determinant |{:(1,2,3),(4,5,6),(7,8,9):}| .

Find the minors and cofactors of the elements of the following determinants: abs([2,-3,5],[6,0,4],[1,5,-7])