Mathematics · JEE | INTRODUCTION TO THREE DIMENSIONAL GEOMETRY

What is the distance of a point \( P(x, y, z) \) from the origin \( O(0, 0, 0) \)?

1. A
   \( x + y + z \)
2. B
   \( \sqrt{x^2 + y^2 + z^2} \)
3. C
   \( \sqrt{x^2 + y^2} \)
4. D
   \( x^2 + y^2 + z^2 \)