If `[x\ \ 1][1 0-2 0]=O` , find `xdot`

If [x1][[1,0-2,0]]=O, find x

If [2x3][[1,2-3,0]][[x3]]=O, find x

If |2x+5 3 5x+2 9|=0 , find xdot

If A=[[0,1-1,0]], find x and y such that (xI+yA)^(2)=A

If [ [ 1 , 3 ] , [ 0 , 0] ] [ [ 2 ] , [ -1 ] ] = [ [ x ] , [ 0 ] ] , find the value of x

If [[x, 4, 1]] [[2,-1,2] , [1,0,2] , [0,2,-4]] [[x], [4], [1]]=0 then find x

If A=[[1,0-1,7]], find k such that A^(2)-8A+kI=O

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

If [1,1,x][[1,0,2],[0,2,1],[2,1,0]][[1],[1],[1]]=O find x

If A= [{:(2, -5), (0, 1):}]" and I" = [{:(1, 0), (0, 1):}] then find the matrix X such that 4A-2X + I = O.