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4 votes
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.

User Anargund
by
5.9k points

1 Answer

3 votes

B::: m ≠ -2.............

User Zacqary
by
6.4k points
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