APFIVE Inverse of an Inverse Matrix Property
Let A be an invertible matrix defined as A = [[a, b], [c, d]]. Which of the following expressions is equivalent to (A^(-1))^(-1)?
A
[[d, -b], [-c, a]]/(ad-bc)
B
A
C
(ad-bc)A
D
[[d, -b], [-c, a]]
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