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Question
If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find A – B + C
Solution
A – B + C = `[(2),(5)] - [(1),(4)] + [(6),(-2)]`
= `[(2 - 1 + 6),(5 - 4 - 2)]`
= `[(7),(-1)]`
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