H2 Maths 3.1 - Basic Vector Properties: Magnitude, Unit Vector, and Parallel Vectors
What you will learn
- Translate vector a = 2 i - j + 2 k cleanly between i j k notation and column form.
- Magnitude by 3D Pythagoras: |a| = sqrt(4 + 1 + 4) = 3.
- Unit vector hat-a = a / |a| = (1/3)(2, -1, 2), length 1 in the same direction.
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