Our CBSE Notes for Introduction Class 11 maths 11. Conic Sections - CBSE Notes - Toppers Study is the best material for English Medium students cbse board and other state boards students.

# Introduction Class 11 maths 11. Conic Sections - CBSE Notes - Toppers Study

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## Introduction Class 11 maths 11. Conic Sections - CBSE Notes - Toppers Study

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### Introduction class 11 Mathematics Chapter 11. Conic Sections

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- Introduction Class 11 Maths 11. Conic Sections - CBSE Notes - Toppers Study
- Class 11 Ncert Solutions
- Solution Chapter 11. Conic Sections Class 11
- Solutions Class 11
- Chapter 11. Conic Sections Introduction Class 11

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## 11. Conic Sections

### | Introduction |

## Introduction Class 11 maths 11. Conic Sections - CBSE Notes - Toppers Study

**Chapter 11. Conic Section**

**Introduction: **

There are some curves like circles, ellipses, parabolas and hyperbolas, which obtains as intersections of a plane with a double napped right circular cone. These curves are known as conic sections.

- The names parabola and hyperbola are given by Apollonius.
- We can obtain different type of curves by subsequent sections in a plane of double napped right circular cone.

**Uses: **

These curves have a very wide range of applications in fields such as planetary motion, design of telescopes and antennas, reflectors in flashlights and automobile headlights, etc.

Napped cone Fig. 11.1

**Vertex: **The point where two napped cone join together. In fig. 11.1 the point **V** is called vertex.

**Generator:** Roatating line ** m** is called generator of the cone.

The vertex separates the cone into two parts called** nappes**.

If we take the intersection of a plane with a cone, the section so obtained is called a conic section.

The section obtained by a intersection of cone with plane is known as ** conic section**.

##### Other Pages of this Chapter: 11. Conic Sections

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