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Question
If A = `[(-2, 4),(-1, 2)]` then find A2
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Solution
A2 = `[(-2, 4),(-1, 2)][(-2, 4),(-1, 2)]`
= `[(4 - 4, -8 + 8),(2 - 2, -4 + 4)]`
= `[(0, 0),(0, 0)]`
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