Calculus › Section L · Vectors and the geometry of space › Topic L.2

Coordinates and vectors in space

Add one perpendicular axis and the flat picture of points and vectors becomes a model of the room you are sitting in. Distances grow a third square root term, circles inflate into spheres, and everything else carries over intact.

In this topic

  • The third axis
  • Distance and midpoint in space
  • Worked example: distance and midpoint
  • Spheres
  • Worked example: completing the square three times
  • Vectors in three dimensions
  • Magnitude and unit vectors in space
  • Worked example: a drone's displacement
  • Common mistakes to avoid
  • Key takeaways

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Standards: Beyond AP

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