題組內容

If there are two nxn matrices A, B and one scalar r,

(A) det(A) = det(B) implies A = B.
(B) det(rA+B) = rdet(A)+det(B).
(C) det(AB)T =det(A)det(B).
(D) det(A) = det(B) where A and B are row equivalent matrices.
(E) det(AB)-) -det(A')det(B' l).