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If A=[(0,6,7),(-6,0,8),(7,-8,0)],B=[(0,1...

If `A=[(0,6,7),(-6,0,8),(7,-8,0)],B=[(0,1,1),(1,0,2),(1,2,0)],C=[(2),(-2),(3)]`
Calculate AC, BC and `(A+B)C`. Also, verify that `(A+B)C=AC+BC`

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