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1. |
If √(3x2 - 7x - 30) - √(2x2 - 7x - 5) = x - 5 has α and β as its roots, then the value of αβ is |
A. | -15 |
B. | -5 |
C. | 0 |
D. | 5 |
Answer» B. -5 | |