" If "A=[[2x,0],[x,x]]" and "A^(-1)=[[1,0],[-1,2]]," then "x" equals "

If A=[[x,1]][[1,0],[-2,0]] =0 , then x is equals to

If [(x,1)][(1,0),(-2,0)] = 0, then x equals

If [[x,1]] [[1,0],[-2,0]] =0 then x is equal to

If A=[(2,1),(0,x)] and A^(-1)=[(1/2,1/6),(0,1/x)] , then the value of x is equal to

If [[x,1]][[1,0],[2,0]]=0 ,then x equals (A) 0 (B) -2 (C) -1 (D) 2

If A = [(2,1),(0,x)] and A^(-1) = [((1)/(2),(1)/(6)),(0,(1)/(x))] , then the value of x is equal to

If A=[(x,1),(1,0)] and A^(2) is the identity matrix, then x is equal to

" If the trace of the matrix: "A=[[-1,0,2,5],[3,x^(2)-2,4,1],[-1,-2,x-3,1],[2,0,4,x^(2)-6]]" is "0" then "x" is equal to "

If A=[(x-1,0,2,5),(3,x^(2)-2,4,1),(-1,-2,x-3,1),(2,0,4,x^(2)-6)] and if Tr (A) = 0, then x is equal to