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if A=[[2,-3,3],[2,2,3],[3,-2,2]] then C2...

if `A=[[2,-3,3],[2,2,3],[3,-2,2]]` then `C_2 +2C_1` and then `R_1+R_3` gives

A

`[[2,1,3],[2,6,3],[3,4,2]]`

B

`[[2,-1,3],[2,4,3],[3,1,2]]`

C

`[[5,5,5],[3,4,2],[2,6,3]]`

D

`[[5,5,5],[2,6,3],[3,4,2]]`

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