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Question
If `"A" = [(1,2,-3),(5,4,0)] , "B" = [(1,4,3),(-2,5,0)]`, then find 2A + 3B.
Solution
2A + 3B = `2[(1,2,-3),(5,4,0)] + 3[(1,4,3),(-2,5,0)]`
= `[(2,4,-6),(10,8,0)] + [(3,12,9),(-6,15,0)]`
⇒ ∴ 2A + 3B = `[(5,16,3),(4,23,0)]`
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