the inverse of `[[1,a, b],[0,x,0],[ 0, 0, 1]]` i s`[[1,-a,-b],[0 ,1 ,0],[ 0, 0, 1]]` t h e n `x=`

The inverse of [[0, 0, 1], [0, 1, 0], [1, 0, 0]] is

The inverse of [(1,a,b),(0,x,0),(0,0,1)] is [(1,-a,-b),(0,1,0),(0,0,1)] |then x =

The inverse of [(0,1,0),(1,0,0),(0,0,1)] is

If A=[[1, 2, x], [0 ,1 ,0],[ 0, 0, 1]] and B=[[1,-2,y],[0, 1, 0 ],[0, 0, 1]] and A B=I_3 , then x+y equals (a) 0 (b) -1 (c) 2 (d) none of these

If the inverse of [{:(1,p,q),(0,x,0),(0,0,1):}]"is"[{:(1,-p,-q),(0,1,0),(0,0,1):}] then what is the value of x?

The inverse of the matrix [[1 , 0, 0],[ a , 1 , 0],[ b, c , 1]] is

If x ,\ y ,\ z are non-zero real numbers, then the inverse of the matrix A=[[x,0, 0],[ 0,y,0],[ 0, 0,z]] , is (a) [[x^(-1),0 ,0 ],[0,y^(-1),0],[ 0, 0,z^(-1)]] (b) x y z[[x^(-1),0 ,0],[ 0,y^(-1),0],[ 0, 0,z^(-1)]] (c) 1/(x y z)[[x,0, 0],[ 0,y,0],[ 0, 0,z]] (d) 1/(x y z)[[1, 0, 0],[ 0 ,1, 0],[ 0, 0, 1]]

" The inverse of the matrix "([1,0,0],[a,1,0],[b,c,1])" is "

If x, y, z are non-zero real numbers, then the inverse of matrix A=[(x,0, 0) ,(0,y,0),( 0, 0,z)] is (A) [[x^(-1),0,0],[0,y^(-1),0],[0,0,z^(-1)]] (B) xyz[[x^(-1),0,0],[0,y^(-1),0],[0,0,z^(-1)]] (C) (1)/(xyz)[[x,0,0],[0,y,0],[0,0,z]] (D) (1)/(xyz)[[1,0,0],[0,1,0],[0,0,1]]