# Conic Sections Class 11 Formulas & Notes

**Class 11 Math Chapter 11 Conic Sections Formulas & Notes - PDF Download**

Conic Sections Class 11 Formulas & Notes is prepared strictly according to the NCERT Syllabus which not only reduces the pressure on the students but also, offer them a simple way to study or revise the chapter. These formulae are cumulated from past 15 years of examination material preferred by CBSE so that no important formulae should be left behind for the students to know and practice. Conic Sections Class 11 Formulas & Notes would fuel your exam preparation and increase your self-confidence which would help you score maximum marks in the exam.

**Understanding Conic Sections. **

Circles, ellipses, parabolas and hyperbolas are known as conic sections because they can be obtained as intersections of a plane with a double napped right circular cone. A circle is the set of all points in a plane that are equidistant from a fixed point in the plane. The fixed point is called the centre of the circle and the distance from the centre to a point on the circle is called the radius of the circle. A parabola is the set of all points in a plane that are equidistant from a fixed line and a fixed point (not on the line) in the plane. An ellipse is the set of all points in a plane, the sum of whose distances from two fixed points in the plane is a constant.

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