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JEE Advanced Mathematics question

MathematicsVector AlgebraJEE Advanced

The resolved parts of the force vector along and perpendicular to the vector are and respectively. Then

Answer: (A),(C)

Solution

Let and , , unit vector .

Component along :

Missing argument for \vec\vec u=(Missing argument for \vec\vec F·Missing argument for \hat\hat b) Missing argument for \hat\hat b= Missing argument for \vec\vec b= Missing argument for \vec\vec b=(3Missing argument for \vec\vec i+4Missing argument for \vec\vec j-5Missing argument for \vec\vec k).

Component p

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Question ID VK-109725