`A*adj(A)` = `[(a_11,a_12,a_13....a_1n),(a_21,a_22,a_23....a_2n),(a_31,a_32,a_33....a_3n)]`

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 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) ]:}

If A = [{:(3," "1,-1),(2,-2," "0),(1," "2,-1):}] "and"" "A^(-1)=[(a_(11),a_(12),a_(13)),(a_(21),a_(22),a_(23)),(a_(31),a_(32),a_(33))] then the value of a_(23) is

If Delta = {:[( a_11, a_12, a_13),( a_21,a_22,a_23) ,(a_31,a_32, a_33) ]:} and is Cofactors of a_ij then value of Delta is given by

Find the minors and co-factors of the elements a_(11),a_(21) and a_(31) of the determinant: {:|(a_11,a_12,a_13),(a_21,a_22,a_23),(a_31,a_32,a_33)|