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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?

Options

A.1/10
B.2/5
C.8/5
D.1/40

Correct Answer

A. 1/10

Exam
NDA
Language
English
Year
2016
Difficulty
1/5
Section
Mathematics

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