If the foot of the perpendicular from the origin to a plane is P (a, b, c), the equation…

Mathematics · JEE Advanced · NTA Exams — Three Dimensional Geometry

1. \(\frac{\mathrm{x}}{\mathrm{a}}+\frac{\mathrm{y}}{\mathrm{~b}}+\frac{\mathrm{z}}{\mathrm{c}}=3\)
2. ax + by + cz = 3
3. ax + by + cz = a² + b² + c²
   
4. ax + by + cz = a + b + c

Answer

(C) ax + by + cz = a 2 + b 2 + c 2

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