JEE Main 2013MathematicsVector AlgebraHardMCQ

JEE Main 2013 — Vector Algebra Question with Solution

JEE Main 2013 (07 Apr)

Question

If the vectors AB→=3i^+4k^ and AC→=5i^-2j^+4k^ are the sides of a triangle ABC, then the length of the median through A is:

Choose an option

Show full solutionCorrect option: A
Correct answer
A 3 3

Step-by-step explanation



Length of median =AB→+AC→2

=8i^-2j^+8k^2

= 3 3

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 2013, 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.