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Mathematics, 22.10.2019 04:50 mandy9386

We’ve shown that matrix multiplication is generally not commutative, meaning that as a general rule for two
matrices a and b, a ⋅ b ≠ b ⋅ a. explain why f ⋅ g = g ⋅ f in each of the following examples.
a. f = 3
2 0
, g = 6
4 0

b. f =
1 3 2
3 1 2
4 3 2
, g =
0 0 0
0 0 0
0 0 0

c. f =
1 3 2
3 1 2
4 3 2
, g =
1 0 0
0 1 0
0 0 1

d. f =
1 3 2
3 1 2
4 3 2
, g =
3 0 0
0 3 0
0 0 3

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Answers: 1

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