Find the minors and cofactors of the elements of the determinants : `|(1,0,4),(3,5,2),(-9,8,6)|`

Find the minors and cofactors of the elements of the determinants : |(2,6),(4,-5)|

If A_("ij") is the cofactor of the element a_("I j") of the determinant |(2,-3,5),(6,0,4),(1,5,-7)| , then write the value of a_(32). A_(32) .

Find the adjoint of the matrices : [(1,-1,2),(3,0,-2),(1,4,8)]

Evaluate |(2,7,65),(3,8,75),(5,9,86)| .

Show that |(1,2,3),(4,5,6),(2,4,6)| = 0 .

Find the value of determinant |(102,18,36),(1,3,4),(17,3,6)| without expanding.

Find the co-factor of a_12 in the following : |(2,-3,5),(6,0,4),(1,5,-7)| .

Determine the domain and the range of the relation R defined by R={(x+1),(x+5):x in (0,1,2,3,4,5)}.

Find the areas of the quadrilaterals formed by the following points:(i)(6,1),(5,6),(2,4),(4,1)