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If A=[(1,1,1),(1,1,1),(1,1,1)], prove th...

If `A=[(1,1,1),(1,1,1),(1,1,1)]`, prove that `A^(n)=[(3^(n-1),3^(n-1),3^(n-1)),(3^(n-1),3^(n-1),3^(n-1)),(3^(n-1),3^(n-1),3^(n-1))],n in N`.

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