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| Q. |
Which of the following is incorrect about Parabola? |
| A. | eccentricity is less than 1 |
| B. | mathematical equation is x2 = 4ay |
| C. | length of latus rectum is 4a |
| D. | the distance from the focus to a vertex is equal to the perpendicular distance from a vertex to the directrix |
| Answer» A. eccentricity is less than 1 | |
| Explanation: the eccentricity is equal to one. that is the ratio of a perpendicular distance from point on curve to directrix is equal to distance from point to focus. the eccentricity is less than 1 for an ellipse, greater than one for hyperbola, zero for a circle, one for a parabola. | |
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