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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
Loser66
 one year ago
Let A be a 2 x 2 matrix The determinant of A^2 is nonnegative T or F ? Please, help

This Question is Closed

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.4Hint : For A, B square matrices, det(AB) = det(A)*det(B)

Loser66
 one year ago
Best ResponseYou've already chosen the best response.0Yes!! 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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