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The inverse of the matrix [(1,1,1),(1,0,...

The inverse of the matrix `[(1,1,1),(1,0,2),(3,1,1)]` is a)`(1)/(4)[(-2,0,2),(5,-1,2),(1,-1,-2)]` b)`(1)/(4)[(-2,0,2),(5,-2,-1),(1,2,-1)]` c)`(1)/(4)[(-2,0,2),(2,5,-1),(-2,-1,1)]` d)`(1)/(4)[(-2,0,2),(5,-1,1),(1,-2,-1)]`

A

`(1)/(4)[(-2,0,2),(5,-1,2),(1,-1,-2)]`

B

`(1)/(4)[(-2,0,2),(5,-2,-1),(1,2,-1)]`

C

`(1)/(4)[(-2,0,2),(2,5,-1),(-2,-1,1)]`

D

`(1)/(4)[(-2,0,2),(5,-1,1),(1,-2,-1)]`

Text Solution

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The correct Answer is:
B
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