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If A=[{:(2,0,1),(2,1,3),(1,-1,0):}] , t...

If `A=[{:(2,0,1),(2,1,3),(1,-1,0):}]` , then find `A^(2)-5A+6I`.

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The correct Answer is:
`[{:(-1,-1,-3),(-1,-3,-10),(-5,4,2):}]`, `X=[{:(1,1,3),(1,3,10),(5,-4,2):}]`
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