I'm so pissed off about this question.
I think the answer was right but it said still wrong.. I need to make sure the answer before I will email professor. Does anyone who can check for it ?????????????!!!! Thank you :)
involving the inverses of matrices A and B. Use the matrices shown below instead of those given in your text.
A=1 -3 B= 1 -2
2 -5 2 -3
(1)Find A^-1
(2)Find B^-1
my first answer was -5 3
-2 1
and second one was -3 2
-2 1

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So your first answer is correct.

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