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If A=[(-1,2,3),(5,7,9),(-2,1,1)] and B=[...

If `A=[(-1,2,3),(5,7,9),(-2,1,1)] and B=[(-4,1,-5),(1,2,0),(1,3,1)]`, then verify that
(i) `(A+B)'=A'+B'`,
(ii) `(A-B)'=A'-B' `

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