JEE Main 2013MathematicsThree Dimensional GeometryEasyMCQ

JEE Main 2013Three Dimensional Geometry Question with Solution

JEE Main 2013 (25 Apr Online)

Question

Let be a triangle with vertices at points , B and in three dimensional space. If the median through is equally inclined with the axes, then is equal to:

Choose an option

Show full solutionCorrect option: C
Correct answer
C

Step-by-step explanation

Since is the median
Now, dR's of AD is Also, are 's where and Now, and and

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About this question

This is a previous-year question from JEE Main 2013, 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.