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24-04-2024
Mathematics

Answered

If possible, find A+B, A-B, 4A, and 4A-5B. (If not possible, enter IMPOSSIBLE.) A=[[1,-1],[2,-1]], B=[[2,-1],[-1,9]]
1) (a) A+B
2) (b) A-B
3) (c) 4A
4) (d) 4A-5B

Answer :

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