Neco 2021 Further Mathematics Question 22
Practice objective / multiple choice question 22 from the 2021 Neco Further Mathematics examination.
Let \\( A \\) be a real \\(2\\times2\\) matrix satisfying \\( A + A^{-1} = 3I \\), where \\( I \\) is the identity matrix. Find \\( \\det A \\).
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About This Question
This is Neco 2021 Further Mathematics Question 22. It is one of the objective questions from the 2021 Neco Further Mathematics examination.
Difficulty level: Medium .
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