1.

If x,y,z are non-zero real numbers, then the inverse of A=[[x,0,0],[0,y,0],[0,0,z]] is

Answer»

`[[X^(-1),0,0],[0,y^(-1),0],[0,0,Z^(-1)]]`
`(XYZ)[[x^(-1),0,0],[0,y^(-1),0],[0,0,z^(-1)]]`
`1/(xyz)[[x,0,0],[0,y,0],[0,0,z]]`
`1/(xyz)[[1,0,0],[0,1,0],[0,0,1]]`

Answer :A


Discussion

No Comment Found

Related InterviewSolutions