JEE Main 2026 — Vector Algebra Question with Solution
JEE Main 2026 (02 April Shift 1)
Question
If and are two vectors such that and , then the maximum value of is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Let be the angle between and .
We have
Substituting and :
Similarly,
The given expression becomes:
The maximum value of is .
Maximum value
Answer:
We have
Substituting and :
Similarly,
The given expression becomes:
The maximum value of is .
Maximum value
Answer:
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This is a previous-year question from JEE Main 2026, 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.