Question

if matrix A = [1 2 3, 3 2 1] and B = [3 2 1, 1 2 3] then 3B - 2A

Answer 1

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Answer 2

Step-by-step explanation:

3×[3 2 1, 1 2 3] = [9 6 3, 3 6 9]

2×[1 2 3, 3 2 1]= [2 4 6, 6 4 2]

[9 6 3, 3 6 9] - [2 4 6, 6 4 2] =

[7 2 -3, -3 2 7]