An algebra problem by David Amato Mantegari

Algebra Level pending

Sejam A e B matrizes quadradas, de mesma ordem e não nulas, podemos apenas afirmar que:


(Moderator: Possible Translation):

A and B are square matrices of the same order and not zero, we can only state that:

Det(A) = 0 No matrices A and B has entry 0 AxB=BxA A+B=B+A

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