JEE Main 2005MathematicsThree Dimensional GeometryEasyMCQ

JEE Main 2005Three Dimensional Geometry Question with Solution

JEE Main 2005

Question

Let and be distinct non-negative numbers. If the vectors and lie in a plane, then is

Choose an option

Show full solutionCorrect option: A
Correct answer
Athe Geometric Mean of and

Step-by-step explanation

Vector and are coplanar

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Three Dimensional Geometry 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 2005, covering the Three Dimensional Geometry 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.