If `A=[[2,5,3],[3,1,2],[1,2,1]]`, then find `A^(-1)`

If A=[[1,1,3],[5,2,6],[-2,-1,-3]] , then find A^(3)

If A=[[1,1,2],[2,1,3],[5,4,9]] then find |A|

" (a) If "A=[[1,1,2],[2,1,3],[5,4,9]]" then find "|A|

If A=[[2,5],[-3,1]] ,then find A^(-1) .

If A=[[-1,3,5] , [1,-3,-5] , [-1,3,5]] then find A^3-A^2

If A=[[0,1,3],[1,2,x],[2,3,1]] and A^(-1)=[[(1)/(2),-4,(5)/(2)],[-(1)/(2),3,-(3)/(2)],[(1)/(2),y,(1)/(2)]] . Find x,y

(2) If A= [[2,3],[1,5]] then find A^(-1)

If A= [(1,1,3),(5,2,6),(-2,-1,-3)] then find A^(14)+3A-2I

If A=[[1],[2],[3]]" and "B=[[-5,4,0],[0,2,-1],[1,-3,2]] , then find BA

4.a) Find the rank of the matrix [[2,5,3],[3,1,2],[1,2,1]]