If `A=[-1 0 0 0-1 0 0 0-1]` , find `A^2` .

If A=[[-1, 0, 0], [0,-1, 0], [0, 0,-1]] , find A^3 .

If A=[[1,0,0],[0,1,0],[a,b,-1]] , find A^2

If A=[[1,0,0],[0,1,0],[a,b,-1]] , find A^2

If A = [(0, 0, 1),(0, 1, 0),(1, 0, 0)] find A^2 .

If A = [ [ 0 , 1 ] , [ 0 , 1 ] ] ,then A^2 is equal to ( a ) [ [ 0 , 1 ] , [ 1 , 0 ] ] ( b ) [ [ 1 , 0 ] , [ 1 , 0 ] ] ( c ) [ [ 0 , 1 ] , [ 0 , 1 ] ] ( d ) [ [ 1 , 0 ] , [ 0 , 1 ] ]

If A = [(1,-1,1),(2,-1,0),(1,0,0)] find A^(2) and show that A^(2) = A^(-1) .

If A=[{:(1,0),(0,1):}] , find A^(2) .

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

Let I = [{:(1, 0, 0),(0 ,1, 0),(0,0,1):}] and P = [{:(1, 0, 0),(0 ,-1, 0),(0,0,-2):}] . Then the matrix p^(3) + 2P^(2) is equal to