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Math Help - Find all possible values of det(A)

  1. #1
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    Find all possible values of det(A)

    Any help is appreciated!
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  2. #2
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    Quote Originally Posted by DarK View Post
    Any help is appreciated!

    I+A^2=0\Longrightarrow A^2=-I\Longrightarrow \det A^2=\det(-I)=1 (why?), and since \det A^2 = \left(\det A\right)^2 then \det A= ...

    Tonio
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