Find the minor and cofactors of all the elements of the determinants `{:|( 1,-2),(4,3)|:}`

Find minors and cofactors of the elements of the determinant {:[( 2,-3,5),( 6,0,4),( 1,5,-7)]:} and verify that a_11 A_31+ a_12A_32+a_13A_33=0

Write Minors and Cofactors of the elements of following determinants: (i) {:|( 2,-4),(0,3)|:}" (ii) " {:|( a,c),( b,d) |:}

Find minors and cofactors of the elements a_11 ,a_21 in the determinant Delta= {:|( a_11,a_12,a_13),( a_21,a_22,a_23),( a_31,a_32,a_33) |:}

Find the minor of elements 6 in the determinants Delta = {:|( 1,2,3),(4,5,6),(7,8,9)|:}

Evaluate the determinant. {:[( 2,4),( -5,-1) ]:}

Evaluate the determinant Delta = {:|(1,2,4),(-1,3,0),( 4,1,0)|:}

Evaluate the following determinants: (a) |(2,4),(-5, -1)|

Let R be the realtion defined in the set A = {1,2,3,4,5,6,7} by R ={(a,b): both a and b are either odd or even}. Show that R is an related to each other and all the elements of the subset {2,4,6} are related to each other, but no element of the subset {1,3,5,7} is related to any element of the subset {2,4,6}.

Using Cofactors of elements of second row, evaluate Delta ={:|( 5,3,8),( 2,0,1),( 1,2,3) |:}

Find the adjoint of the matrix [(1,2),(3,4)]