Mathematics, 12.08.2021 06:50 LindaCat78
Phương trình (m + 2)x2 – 2mx + 1 = 0 là phương trình bậc hai khi: A. m ≠ 1. B. m ≠ -2. C. m ≠ 0. D. mọi giá trị của m.
Answers: 3
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Phương trình (m + 2)x2 – 2mx + 1 = 0 là phương trình bậc hai khi:
A. m ≠ 1. B. m ≠ -2. C. m ≠ 0. D....
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