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30 January, 17:29

B = [-18 3]

[4 1 ]

What is the determinant of B?

A. - 27

B. 30

C. - 30

D. - 6

+4
Answers (1)
  1. 30 January, 21:02
    0
    Det = (-18x1) - (4x3)

    =-30

    so the answer is C
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