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Vectors: magnitude, direction and products

Prove collinearity with a common point · Diagrams

Collinearity and the common point

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A,B,C lie on one straight line with B common to AB and BC. This is one illustrated ordering, not a restriction that B must lie between the other two points.
A,B,C lie on one straight line with B common to AB and BC. This is one illustrated ordering, not a restriction that B must lie between the other two points.
A,B,C lie on one straight line with B common to AB and BC. This is one illustrated ordering, not a restriction that B must lie between the other two points.
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