JEE Main 2026MathematicsVector AlgebraMediumMCQ

JEE Main 2026Vector Algebra Question with Solution

JEE Main 2026 (24 January Shift 2)

Question

Let and . Let be the vector in the plane of the vectors and , such that the length of its projection on the vector is . Then is equal to

Choose an option

Show full solutionCorrect option: B
Correct answer
B

Step-by-step explanation

.
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Projection length .
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About this question

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.