[" 4.If "A=[[1,-1,2],[3,0,-2],[1,0,3]]],[" verify that "A" (adj "A)=(" 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.

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

If A=[[3,1],[7,5]] , 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=[[1,2,3],[1,3,4],[1,4,3]] ,verify that A(adj.A)=(adj.A)=|A|.I

[" (1) Find the adjoint of "A" ,where "A=[[1,-1,0],[2,3,-2],[2,0,1]]],[" Also verify that "A*(adj A)=|A|I_(3)" ."]

If A = {:((1,-1,2),(3,0,-2),(1,0,3)):} , verify that A (adj A) = |A|* I .

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

Let A = [[1,-2,1],[-2,3,1],[1,1,5]] Verify that [adj A]^-1 = adj (A^-1)