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1. |
If x1, x2 are real roots of ax2 x + a = 0. Then, find the set of all values of parameter a for which |x1 x1| < 1? |
A. | (1 5a)/ a<sup>2</sup> < 0 |
B. | (1 5a)/ a<sup>2</sup> = 0 |
C. | (1 5a)/ a<sup>2</sup> > 0 |
D. | (1 5a)/ a < 0 |
Answer» B. (1 5a)/ a<sup>2</sup> = 0 | |