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For a non-singular matrix A, the inverse equals what?
A|A| times adj A
B|A| divided by adj A
Cadj A times |A|^2
Dadj A divided by |A|
Answer & Solution
Correct answer: D. adj A divided by |A|
Dividing the identity A(adj A) = |A|I by the nonzero |A| shows the inverse is adj A over |A|.
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