If `A=[[-1,2],[0,-1]]`, then `A^3+3A^2+2A=?`

If A=([1,2,1],[0,1,-1],[3,-1,1]) then A^(3)-3A^(2)-A-9=

If A=[[1,3,2],[2,0,-1],[1,2,3]] ,such that A satisfies the equation A^(3)-4A^(2)-3A+kI=O where k-2

If A=[[1, -1, 2], [3, 0, -2], [1, 0, 3]] , then (adjA)A=

If A=[[1, -1, 2], [0, 2, -3], [3, -2, 4]] , then |A^(-1)|=

If [[2, 1], [3, 2]]A[[-3, 2], [5, -3]]=[[1, 0], [0, 1]] , then A=

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

If A=[[1,0,5],[2,-1,3],[4,1,0]] and B=[[3,2,1],[0,2,1],[3,2,5]] .Show that (a) ( A + B )' = A' + B' (b) (2A)'=2A'

If A=[[1,2,3] , [-1,0,2] , [-2,-3,1]], B=[[4,5,1] , [-1,0,3] , [2,1,2]], C=[[-1,-2,1] , [-1,2,3] , [-1,-2,2]] then A-2B+3C=

If A is a 2times2 matrix such that [[2,1],[3,2]] A [[-3,2],[5,-3]]=[[1,0],[0,1]] then the sum of the elements in A is