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pochemuha
3 years ago
13

Tìm tất cả các giá trị của y sao cho. x2 + y2 +2z2 +2xy - 2xz - 4yz + 3y >= 0 với mọi x, z

Mathematics
1 answer:
Ksju [112]3 years ago
4 0

Answer:

shimani mashashina mashina shishushi mashinana

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