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7. The focal distance of a point on the ellipse (x²/9)+y² = 1 which is at a distance 2 units from the centre is 1. (8+\sqrt{}3)/(2\sqrt{}2) 2. (3+2\sqrt{}3)/(\sqrt{}2) 3. 3+\sqrt{}3 4. (8+3\sqrt{}3)/(4\sqrt{}2) |
| Answer» 7. The focal distance of a point on the ellipse (x²/9)+y² = 1 which is at a distance 2 units from the centre is 1. (8+\sqrt{}3)/(2\sqrt{}2) 2. (3+2\sqrt{}3)/(\sqrt{}2) 3. 3+\sqrt{}3 4. (8+3\sqrt{}3)/(4\sqrt{}2) | |