Find the determinants of minors and cofactors of the determinant `|{:(2,3,4),(7,2,-5),(8,-1,3):}|`

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

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

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

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

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

find the cofactor of a_(23) in [(3,1,4),(0,2,-1),(1,-3,5)]

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

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

Using the property of determinants and without expanding prove that {:|( 2,7,65),( 3,8,75),( 5,9,86) |:} = 0

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) |:}