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JEE Advanced Mathematics question

MathematicsVector AlgebraJEE Advanced

If the vectors , and are represented by the sides , and , respectively, of the then

Answer: (B)

Solution

Going round the triangle, , i.e. .

- Cross with : . - Cross with : $Missing argument for \vec\vec b×Missing argument for \vec\vec a + Missing argument for \vec\vec b×Missing argument for \vec\vec c = Missing argument for \vec\vec 0

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Question ID VK-110492