Question

mathematics 1 matrix problm
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Answer 1

Step-by-step explanation:

A = [ 3. -2. 1]. B= [ -1. 3]

[2. 4. 1]. [ 4. 1 ]

[ 1. 0. -2]. [ -2.2]

by multiplication

AB = [ -13. 9]

[ 12. 12]

[ 3. -1]

therefore as you can see

the a22 term in above A×B is

12

hope it helps

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