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JEE Advanced Mathematics question

MathematicsVector AlgebraJEE Advanced

Let and . If the point P on the line segment BC is equidistant from AB and AC then is

Answer: (C)

Solution

*(Figure: triangle ABC with P on BC on the bisector of angle A.)*

A point equidistant from lines AB and AC lies on a bisector of angle BAC; a point of segment BC lies on the internal bisector. Here , so the internal bisector is along

Missing argument for \frac\frac{\overrightarrow{AB}}{Missing argument for \sqrt\sqrt{

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Question ID VK-109694