Saved Bookmarks
| 1. |
Find the coordinates of focus, directrix and latus rectum of parabola y2 = 8x. |
|
Answer» Equation of parabola y2 = 8x compare with the standard form y2 = 4ax ∴ 4a = 8 ∴ a = 2 ∴ focus = (a, 0) = (2, 0) Equation of directrix : x = -a. x = -2 or [x + 2 = 0] Latus rectum = 4a = 8 |
|