If `A = [ [ 0 , 0 , 2 ] , [ 0 , -1 , 2 ] , [ 1 , 3 , 6 ] ]` then find | A |

If [ [ 1 , 0 , 0 ] , [ 0 ,1 , 0 ] , [ 0 , 0 , 1 ] ] [ [ a ] , [ b ] , [ c ] ] = [ [ 2 ] , [ 1 ] , [ -3 ] ] , then find the value of a + b + c

If X + [ [ 2 , 1 ] , [ 6 , 1 ] ] = [ [ 1 , 1 ] , [ 0 , 1 ] ] , then X is equal to ( 1 ) [ [ 0 , 1 ] , [ 0 , 6 ] ] ( 2 ) [ [ 0 , -1 ] , [ 0 , - 6 ] ] ( 3 ) [ [ -1 , 0 ] , [ - 6 , 0 ] ] ( 4 ) [ [ 1 , 0 ] , [ 6 , 0 ] ]

A=[[3, 2, 6], [1, 1, 2], [2, 2, 5]], B=[[1, 2, -2], [-1, 3, 0], [0, -2, 1]] , then

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

If A=[[2,0,1],[2,1,3],[1,-1,0]] , then find (A^(2)-5A)

Show that(i) [[5,-1],[ 6 ,7]][[2, 1],[ 3 ,4]]!=[[2, 1],[ 3, 4]][[5,-1],[ 6, 7]] (ii) [[1, 2, 3],[ 0, 1, 0],[ 1, 1, 0]][[-1, 1, 0],[ 0,-1, 1],[ 2, 3, 4]]!=[[-1, 1, 0],[ 0,-1, 1],[ 2, 3, 4]][[1 ,2 ,3],[ 0, 1, 0],[ 1, 1, 0]]

Find the mode of 1, 0, 2, 1, 0, 2, 3, 1, 3, 1, 0, 4, 2, 4, 1 and 2.

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

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

If A = [(0,1),(2,3),(1,-1)]and B = [(1,2,1),(2,1,0)] , then find (AB)^(-1)