JEE Main 2018 — Vector Algebra Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
If the position vectors of the vertices and of a are respectively and , then the position vector of the point, where the bisector of meets is
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Suppose angular bisector of meets at
Using angular bisector theorem,
Therefore, position vector of point
Therefore, position vector of point
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Vector Algebra 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 2018, covering the Vector Algebra 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.