If `A=[[3,1],[7,5]]`, verify that
A. (adj A) = (adj A). A= |A|. I.

If A=[{:(3,1),(7,5):}] verify that A. (adjA) =(adj A).A= |A|.I

If A=[[1,0,-1],[3,4,5],[0,-6,-7]] , verify that A.(adj A) = (adj A). A= |A|.I.

3) If A=[[1,2],[3,4]] ,verify that A(adj A)=(adj A)A=|A|I .

If A=[[1,1,2],[1,2,2],[2,2,1]] verify that A(adj A) = (adj A)A = |A|I_(3) .

If A=[[1,2,3],[1,3,4],[1,4,3]] ,verify that A(adj.A)=(adj.A)=|A|.I

If A= [{:(8,-4),(-5," "3):}] , verify that A(adj A)= (adj A) A= |A|I_(2) .

Find the adjoint of the matrix A = [{:(1,2),(3,-5):}] and verify that A(adj A) = (Adj A)A = |A| I

If A=[[1,2,1],[1,1,2],[2,2,1]] verify A(adj A)=(adj A)A=|A|I_(3) .

Find the adjoint of the matrix A = [(4,-6,1),(-1,-1,1),(-4,11,-1)] and verify that A(adj A) = (adj A ) A = |A | I_3