2. 矩陣而矩陣, 則此二矩陣的乘積AB之行列式值 (Determinant)為何?
(A) det( AB) = 24
(B) det( AB) = -24
(C) det( AB) = 12
(D) det( AB) = -12

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統計: A(5), B(1), C(0), D(0), E(0) #2939174

詳解 (共 1 筆)

#5518891

det(AB) = det(A)det(B)

det(A) = 1

det(B) = (-1)x2x(-3)x4 = 24

det(AB) = 24

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