Bài 3Cho hệ phương trình với , ,
a) Giải hệ
b) Chứng minh tập nghiệm W của hệ là không gian...
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Mathematics, 24.11.2021 14:00 catt707p38uu0
Bài 3Cho hệ phương trình với , ,
a) Giải hệ
b) Chứng minh tập nghiệm W của hệ là không gian con của R4
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