SOLUTION: find the determinant of a. a=4 -7, 3 -2

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Question 423165: find the determinant of a. a=4 -7, 3 -2
Answer by Alan3354(69443) About Me  (Show Source):
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4 -7
3 -2
----
Det = 4*-2 - 3*-7 = -8 + 21
Det = 13