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Let A +2B=[[1, 2, 0],[ 6,-3, 3],[-5, 3, ...

Let `A +2B=[[1, 2, 0],[ 6,-3, 3],[-5, 3, 1] ] and 2A-B=[[2,-1, 5 ],[2,-1, 6],[ 0, 1, 2]]` . Then `T r(B)` has the value equal to a.`0` b. `1` c. `2` d. none

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