Saved Bookmarks
| 1. |
Let S(3,4) and S′(9,12) be two foci of an ellipse. If the coordinates of the foot of the perpendicular from focus S to a tangent of the ellipse is (1,−4), then the eccentricity of the ellipse is |
|
Answer» Let S(3,4) and S′(9,12) be two foci of an ellipse. If the coordinates of the foot of the perpendicular from focus S to a tangent of the ellipse is (1,−4), then the eccentricity of the ellipse is |
|