THE master of Sidney Sussex College, Cambridge, here provides a “key” to the examples in the new edition of his “Treatise on Conic Sections by the Methods of Coordinate Geometry,” published recently.

Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.

CBSE 2024-25 Competency Based Questions With Answers: The Central Board of Secondary Education (CBSE) has released the competency-based practice questions for students of class 10. These questions are ...