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Kettkett
2 năm trước
GIÚP MÌNH VỚI MÌNH CẦN GẤP ;< HỨA SẼ VOTE 5 SAO Cho 2 đồ thị y=( m + 1)x -6 (d) y= -3x - m + 2 (d') a) tìm m để (d) cắt ( d') b) tìm m để (d) song song (d') c) Tìm m để (d) vuông góc (d')
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