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![1.
If
1
41
21
A =
. 1
-2
1
B =
-3
1
1
2]
-4
1.
compute the followings;
(а) 2A — ЗВ
(b) АВ
(с) ВТАТ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F34b1f35a-3ad2-41c9-b86a-5c987b7e65fe%2F04c35da4-90e4-4385-ae45-c82795922b31%2Fgdg17na_processed.jpeg&w=3840&q=75)
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