trongtt252 trongtt252

27-11-2022
Mathematics

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Cho ma trận =⎡⎣⎢⎢100−1−2312−3−2−24⎤⎦⎥⎥
K
=
[
1 −1 1 −2 0 −2 2 −2 0 3 −3 4
]
. Một phép biến đổi sơ cấp để đưa ma trận K về ma trận có dạng bậc thang dòng là:

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