MHT CET 2025 Mathematics question

Mathematics Vector Algebra MHT CET 2025

Let and be unit vectors at an angle with each other. If , then

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

. Dot with : , so the expression equals \vec\vec\vec\vec\vec\vec$

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Question ID VK-101964