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    				| 1. | What are the essential conditions to get assured that a randomly chosen particufar point k, lies between the roots of the quadratic equation ax^2+bx+c=0? Dgt0 Dle0 a f(k)lt0 a f(k)gt0 kgt-b/2a klt-b/2a | 
| Answer» (i), (III) and (v) only | |