JEE Main 2026 — Vector Algebra Question with Solution
JEE Main 2026 (21 January Shift 2)
Question
For a triangle ABC, let and . If and , where is the angle between and , then is equal to :
Choose an option
Show full solutionCorrect option: C
Correct answer
C200
Step-by-step explanation
Given , , and where is the angle between and .
Since , , and , from triangle closure .
Result:
Since , , and , from triangle closure .
Result:
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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.