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 the following determinants and also evaluate the determinant in each case: |[1,3,-2],[4,-5,6],[3,5,2]|

Write the minor and cofactor of each element of the following determinants and also evaluate the determinant in each case: |[1,0,0],[0,1,0],[0,0,1]|

Write the minor and cofactor of each element of the following determinants and also evaluate the determinant in each case: |[5,-10],[0,3]|

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

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

Find the minor and cor-factor of each element of the first column of the following determinants : |{:(0,2,6),(1,5,0),(3,7,1):}| Hence or otherwise evaluate them.

Write the minors and cofactors of each element of the first column of the following matrices and hence evaluate the determinant in each case: A=[5200-1] (ii) A=[-1423]( iii) A=[1-324-12352] (iv) A=[1abc1bca1cab]

Find the minor and co-factor of each element of the first column of the following determinants : |{:(1,a,bc),(1,b,ca),(1,c,ab):}| Hence or otherwise evaluate them.

Write the minors and cofactors of each element of the first column of the following matrices and hence evaluate the determinant in each case: A=[0 2 6 1 5 0 3 7 1] (ii) A=[a hgh bfgfc] (ii) A=[2-1 0-3 0 1 1 1-1 2 -1 5 1 -2 1 0]