Sum
Given `A = [(0, 4, 6),(3, 0, -1)]` and B = `[(0, 1),(-1, 2),(-5, -6)]` find if possible AB
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Solution
`AB = [(0, 4, 6),(3, 0 , -1)] [(0, 1),(-1, 2),(-5, -6)]`
`= [(0 - 4 - 30, 0 + 8 - 36), (0 - 0 + 5, 3 + 0 + 6)]`
`= [(-34, -28),(5, 9)]`
Concept: Multiplication of Matrix
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