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1. |
If the roots of the equation x2 - nx + m = 0, Differ by 1, then |
A. | n2 - 4m - 1 = 0 |
B. | n2 + 4m - 1 = 0 |
C. | m2 + 4n + 1 = 0 |
D. | m2 - 4n - 1 = 0 |
Answer» B. n2 + 4m - 1 = 0 | |