Find the co-factor of the element 4 of the matrix `[[-4,4,-5],[-2,5,9],[6,-2,-9]]`

3.Find the rank of the matrix [[1,2,3],[-2,4,-9],[3,6,4]]

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 rank of the matrix: A=[[3,2,3],[2,4,9],[5,6,6]]

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

(2) Find the rank of the matrix A=[[1,2,3,-1],[3,6,9,-3],[2,4,6,-2]]

The co-factors of the elements of second row of the [[1, 3, -2], [4, -5, 6], [3, 5, 2]] are

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

Find the inverse of the matrix: [[1,2,-1-4,-7,4-4,-9,5]]

Write the minors and co-factors of each elements of the first column of the matrix A A=[(1,-3,2),(4,-1,2),(3,5,2)]