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Question
If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find A + B – C
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Solution
A + B – C = `[(2),(5)] + [(1),(4)] - [(6),(-2)]`
= `[(2 + 1 - 6),(5 + 4 + 2)]`
= `[(-3),(11)]`
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