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JEE Advanced Mathematics question

MathematicsVector AlgebraJEE Advanced

If and are unit vectors then does not exceed

Answer: (B)

Solution

|Missing argument for \vec\vec a - Missing argument for \vec\vec b|^2 = + + - 2(Missing argument for \vec\vec a·Missing argument for \vec\vec b + Missing argument for \vec\vec b·Missing argument for \vec\vec c + Missing argument for \vec\vec c·Missing argument for \vec\vec a) = 6 - 2(Missing argument for \vec\vec a·Missing argument for \vec\vec b + Missing argument for \vec\vec b·Missing argument for \vec\vec c + Missing argument for \vec\vec c·Missing argument for \vec\vec a).

Since \vec\vec\vec\vec\vec\vec$

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Question ID VK-110560