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JEE Main 2022 Mathematics question

MathematicsVector AlgebraJEE Main 2022

Let , and be three given vectors. Let be a vector in the plane of and whose projection on is . If , then is equal to :

Answer: (4)

Solution

Let . Its projection on is $[(λ _{1} + 2λ _{2}) - (λ _{1} - 3λ _{2}) + (2λ _{1} + λ

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Question ID VK-025269