If A is a square matrix of order 3 and det A = 5, then what is det [(2

1.	If A is a square matrix of order 3 and det A = 5, then what is det [(2A)-1] equal to ?
A.	1/10
B.	2/5
C.	8/5
D.	1/40
Answer» E.

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If A is a square matrix of order 3 and det A = 5, then what is det [(2A)-1] equal to ?

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