If A = `1/3 [ [ 1 , 2 , 2 ] , [ 2 , 1 , -2 ] , [ -2 , 2, -1 ] ] ` , then find | A |

If A=[[1,-2,3],[0,-1,4],[-2,2,1]], then find |A| .

If A=[[1,-2],[2,3]] and B=[[1,2,3],[2,3,1]] , then find AB

If P=[[1,2,-3] , [3,-1,2] , [-2,1,3]], Q=[[2,3,1] ,[3,1,2] , [1,2,3]] then find the matrix R such that P+Q+R is a zero matrix

If A=[[1,-2],[2,3]] and B=[[1,2,3],[2,3,1]] , then find AB.

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

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

If A=[[-1,-2,-2],[2,1,-2],[2,-2,1]] then show that the adjoint of A is 3A^(T) .Find A^(-1)

If A*[[3,2],[1,-1]]=[[4,1],[2,3]] " then find A .

If A=[[2,3,2] , [1,2,2] , [-3,1,-1]] then find A^-1 using elementary transformations

If A=[1 2 3-1] and =[1-4 3-2] , find |A B| .