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Question
Given A = `[(4, 1),(2, 3)]` and B = `[(1, 0),(-2, 1)]`, find AB.
Sum
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Solution
AB = `[(4, 1),(2, 3)][(1, 0),(-2, 1)]`
= `[(4 - 2, 0 + 1),(2 - 6, 0 + 3)]`
= `[(2, 1),(-4, 3)]`
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