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JEE Advanced Mathematics question

MathematicsThree Dimensional GeometryJEE Advanced

The equation of the straight line passing through the origin and perpendicular to the lines and has the equation

Answer: (A)

Solution

A direction perpendicular to both and is their cross product:

Missing \end{vmatrix}\begin{vmatrix}\mathbf i&\mathbf j&\mathbf

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Question ID VK-109839