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If `A` is a square matrix such that `A(adjA)=[(4,0,0),(0,4,0),(0,0,4)],` then `=(|adj(adjA)|)/(2|adjA|)` is equal to |
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Answer» Correct Answer - 8 `A(adjA)=|a|Iimplies|A|=4,n=3` `|adj(adjA)|=|A|^((n-1)^(2)0=4^(4)=256` `|adjA|=|A|^(n-1)=16` `(|adj(adjA)|)/(2||adjA)=256/(2xx16)=8` |
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