1.

If x,y,z are nonzero real numbers, then the inverse of matrix 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),(0,1,0),(0,0,1):}]`
`1/(xyz)[{:(1,0,0),(0,1,0),(0,0,1):}]`

ANSWER :A


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