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Mathematics, 15.06.2021 22:40 bbea
Cho hệ phương trình tuyến tính gồm 5 phương trình và 4 biến số . Biết rằng hệ có vô số nghiệm với 3 biến và biến tự do. Ma trận của hệ số có hạng bằng
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Cho hệ phương trình tuyến tính gồm 5 phương trình và 4 biến số . Biết rằng hệ có vô số nghiệm với 3...
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