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Question
Compute the product:
`[(1, 3),(2, 1)] [(4),(-1)]`
Sum
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Solution
`[(1, 3),(2, 1)] [(4),(-1)]`
= `[(4 xx 1 - 3 xx 1),(2 xx 4 + 1 xx (-1))]`
= `[(4 - 3),(8 - 1)]`
= `[(1),(7)]`
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