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JEE Advanced Mathematics question

MathematicsSolution of TrianglesJEE Advanced

Not in JEE syllabus

Let , and . A vector in the plane of and whose projection on has the magnitude is

Answer: (A),(C)

Solution

A vector in the plane of is

Missing argument for \vec\vec p = λMissing argument for \vec\vec b + μMissing argument for \vec\vec c = (λ + μ)Missing argument for \hat\hat i + (2λ + μ)Missing argument for \hat\hat j - (λ + 2μ)Missing argument for \hat\hat k.

, and . The projection has **magnitude** :

Missing argument for \frac\frac{|

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Question ID VK-109639