Rajesh Kumar Nagdive

This course provides brief discussion about circle touching internally and externally and hence number of common tangent also when circles are said to intersect orthogonally.

IIT JEE 2020 and 2021 Main and Advanced exam preparation. Know about detailed syllabus, best books, exam pattern and dates. Cover previous year question papers and book solutions from great educators.

IIT JEE

JEE Main and Advanced Preparation

English

External and Internal Touch and Orthogonal Circle: IIT JEE

Crash Course Maths

Maths Crash Course

Mathematics

IITJEE, NEET UG and Foundation

Ace the toughest competitive and government exams in India 

Test Preparation

Course Overview

Condition for two circles to intersect or touching internally or exyernally depends on distance between yheir centre and radii

Circles Touching Internally and Externally

Number of common tangents depends on external or internal touch of two circle

Number of Common Tangent for Circles Touching Internally Externally

Orthogonal circles means angle between their tangents at the point of intersection is right angle

Orthogonal Circles

Locus of centres of circles cutting two given circle orthogonally is the radical axis of two given circle

Locus of Centre of Circle Orthogonal Two Given Circle

Pro lems on external and internal touch of circles are some times quite difficult

Problems on Internal and External Touch

Intersection of circles condition based problem in 2019 mains(jan)

2019 main(jan) problem on intersecting circles

A Game Changer in Mathematics, produced multiple 100 percentilers, Air 33 & 34 (Main 2024), his courses are the Benchmark for IIT JEE 

Vineet Loomba

This Course aims to provide short tricks for jee main and advanced mathematics. These will help the learners to increase speed and boost their rank in iit jee. Mind maps of various chapters will also be provided to help learners remember formulas.

(Hindi) Short Tricks and Mind Maps : IIT JEE

AIR-42 in JEE, INChO Gold Medalist, INPHO qualified, former faculty at Resonance (Kota) & Nucleus (Kota)

Prashant Jain

It deals with the concepts of class IX and X which are required for the study of JEE (Main+ Advanced). This chapter is actually a tool chapter and does not directly asked in JEE Advanced but acts as useful pillar for all subsequent chapters of JEE Advanced.

(Hindi) Chapter - 1 Fundamental of Mathematics

This course explains all the fundamental concepts of circles from JEE Main and Advanced point of view. It also includes solved examples and previous year JEE questions.

(Hindi) Circles : JEE Main Crash Course

Mandhan Academy
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Akash Mandhan

In this course Akash Mandhan will cover technique, concepts, tricks and approach to solve questions in very less time.

Lessons

7 lessons • 1h 2m

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Course Overview

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Circles Touching Internally and Externally

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Number of Common Tangent for Circles Touching Internally Externally

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Orthogonal Circles

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Locus of Centre of Circle Orthogonal Two Given Circle

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Problems on Internal and External Touch

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2019 main(jan) problem on intersecting circles