JEE Main 2009MathematicsCircleBasic Theorems Of A CirclemediumMCQ

JEE Main 2009Circle Question with Solution

From: AIEEE 2009

Question

Three distinct points A, B and C are given in the 2 -dimensional coordinates plane such that the ratio of the distance of any one of them from the point to the distance from the point is equal to . Then the circumcentre of the triangle ABC is at the point :

Choose an option

Show full solutionCorrect option: A
Correct answer
A

Step-by-step explanation

Given that



and



Let then









A lies on the circle given by eq. As and

also follow the same condition, - they must lie on the same circle.

Center of circumcircle of

Center of circle given by

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Circle chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2009, covering the Circle chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.