[2 pts] 1. Let A = [. 1 -1 0 -343 and B = 05 5 -7 304 Compute (7A - 3B) - 4(2A - B).

Q: part b) please

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Q: part a) please

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Q: Part 1 and 2

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Q: Pls help.

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Q: Pls help on both

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