Mathematics, 22.07.2021 01:00 doggo242

Hỏi có bao nhiêu giá trị thực của tham sốm để hệ phương trình |x| - y2 + 4y - 4 = 0 và mx2y + (m2 - 2)y - 4m + 4 = 0 có nghiệm duy nhất

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Hỏi có bao nhiêu giá trị thực của tham sốm để hệ phương trình |x| - y2 + 4y - 4 = 0 và mx2y + (m2 -...