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If A = [(1,5,3),(2,4,0),(3,-1,-5)], B = ...

If `A = [(1,5,3),(2,4,0),(3,-1,-5)], B = [(2,-1,0),(0,-2,5),(1,2,0)]` then find `3A - 4B`.

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The correct Answer is:
`[{:(-5,15,5),(10,20,-8),(9,-23,-15):}]`
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