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Câu 5:

Cho |A |=2, |B|= 3, và $A, B\in \mathop M\nolimits_2$

Câu 5: Cho |A |=2, |B|= 3, và A,B∈M2A, B\in \mathop M\nolimits_2A,B∈M2​[R]$. Tính det(2AB)

Thông tin câu hỏi

Câu 5:

Cho |A |=2, |B|= 3, và $A, B\in \mathop M\nolimits_2$ [R]$. Tính det(2AB)