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Loser66

  • one year ago

Let A be a 2 x 2 matrix The determinant of A^2 is nonnegative T or F ? Please, help

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  1. Loser66
    • one year ago
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    @Empty

  2. ganeshie8
    • one year ago
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    Hint : For A, B square matrices, det(AB) = det(A)*det(B)

  3. Loser66
    • one year ago
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    Yes!! that is what I want!!! thanks a lot. I calculate general A^2 and find its determinant. It gave me the way how to prove it but I need the shorter way. Again, thank you so so so much.

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