MCQOPTIONS
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| 1. |
Locus of the point P such that the sum of distances from two fixed points is always constant is __________ |
| A. | an ellipse |
| B. | a hyperbola |
| C. | a parabola having those fixed point on its axis |
| D. | a line perpendicular to line joining those two points and passing through the midpoint of it |
| Answer» B. a hyperbola | |