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JEE Advanced Mathematics question

MathematicsVector AlgebraJEE Advanced

If the vertices of a tetrahedron have the position vectors , , and then the volume of the tetrahedron is

Answer: (A)

Solution

*(Figure: tetrahedron O(), A(), B(), C().)*

With one vertex at the origin, :

[Missing argument for \vec\vec A\ Missing argument for \vec\vec B\ Missing argument for \vec\vec C]=Missing \end{vmatrix}\begin{vmatrix}1&1&0 0&2&-1 1&0&

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Question ID VK-109699