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Which of the following matrice is invertible? [[1,0,0],[1,1,1],[2,-1,1]] |
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Answer» SOLUTION :LET A=`[[1,0,0],[1,1,1],[2,-1,1]]` `therefore absA= [[1,0,0],[1,1,1],[2,-1,1]]` =`1[[1,1],[-1,1]]=1+1=2 ne 0` `therefore` A is INVERTIBLE. |
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