7. Find the minor of the element of second row and third column (023) in the following determinant 2 -3 S (Delhi 2010] 1 S 7

The element of second row and third column in the inverse of [[1, 2, -3], [0, 1, 2], [0, 0, 1]] is

The element of second row and third column in the inverse of [[1, 2, 1], [2, 1, 0], [-1, 0, 1]] is

The element of second row and third column in the inverse of [[1, 2, 1], [2, 1, 0], [-1, 0, 1]] is

Write the minor and cofactor of each element of second column in the following determinants and evaluate them: |[1,2,4],[1,3,9],[1,4,16]|

Write the minor and cofactor of each element of second column in the following determinants and evaluate them: |[1,2,4],[1,3,9],[1,4,16]|

Write the minor and cofactor of each element of second column in the following determinants and evaluate them: |[4,9,7],[3,5,7],[5,4,5]|

Write the minor and cofactor of each element of second column in the following determinants and evaluate them: |[4,9,7],[3,5,7],[5,4,5]|

Find the minor and co-factor of each element of the first column of the following determinants: {:|(0,2,6),(1,5,0),(3,7,1)|

Find the minors and the cofactors of each element of the first column of the following determinant D and hence find its value where D= |{:(" "2,4,1),(" "8,5,2),(-1,3,7):}|