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B =   1 −1 3 2 1 2 −1 1 4 3 −2 4 1 2 −2 1  
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2 votes
B =



1 −1 3 2
1 2 −1 1
4 3 −2 4
1 2 −2 1



User Maarten Veerman
by
3.6k points

1 Answer

5 votes


1 - 132 \\ = - 131


12 - 11 \\ = 1


43 - 24 \\ = 19


12 - 21 \\ = - 9

User David MZ
by
3.5k points
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