Find the equation of set of points P such that PA 2 + PB 2 = 2 k 2 , where A and B are…

Mathematics · Class 11 · CBSE — Introduction to Three-dimensional Geometry

1. x² + y² + z² – 4x – 14y + 4z = 2k² – 109
2. 2x² + 2y² – 2z² – 4x – 14y – 4z = 2k² + 109
3. 2x² + 2y² + 2z² – 4x – 14y + 4z = 2k² – 109
4. None of these

Answer

(C) 2 x 2 + 2 y 2 + 2 z 2 – 4 x – 14 y + 4 z = 2 k 2 – 109

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