If `A=[[1,2,3],[-1,1,2],[1,2,4]],B=[[-3],[-6],[-9]]` and `AX=B` then find `X`

If A=[[1,4,-1],[2,6,5]] and B=[[3,-2,-6],[2,0,-7]] , find A+B and A-B

1) If A=[[1,2,3],[4,5,6]] and B=[[1],[9],[8]] ,find AB

If A=[[2,3,-4],[1,0,6],[-2,1,5]],B=[[5,1,2],[6,-1,4],[5,3,-4]] , find 2A-3B .

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

If A=[(-3,1,6),(2,-5,0),(1,-3,4)],B=[(4,7),(-4,2),(-1,-5)] and AX=B, then the size of X is

If A=[[2,3,4],[-3,0,2]], B=[[3,-4,-5],[1,2,1]] and C=[[5,-1,2],[7,0,3]] , find the matrix X such that 2A+3B=X+C

If A=[[1,2,3],[-1,0,2],[1,-3,1]], B=[[4,5,6],[-1,0,1],[2,1,2]], C=[[-1,-2,1],[-1,2,3],[-1,-2,2]] find A-2B+3C

If A= [[1,-1,0],[2,3,4],[0,1,2]] and B = [[2,2,-4],[-4,2,-4],[2,-1,5]] then, (A) A^(-1) =B (B) A^(-1) =6B (C) B^(-1) =B (D) B^(-1) = 1/6 A

Let A is 3 xx 3 matrix such that Ax_1=B_1,Ax_2=B_2,Ax_3=B_3 where x_1=[[1],[1],[1]],x_2=[[0],[2],[1]],x_3=[[0],[0],[1]] ,br> B_1=[[1],[0],[0]],B_2=[[0],[2],[0]],B_3=[[0],[0],[2]] then find |A| .

If A=[[2 , 4 ,-1] , [-1 , 0 , 2]] , B=[[3 , 4], [-1 ,2] , [ 2 ,1]] , find (A B)^T .