$B$ is between $A$ and $C$ if and only if

$B$ is between $A$ and $C$ if and only if
  1. $AB + BC = AC$
  2. $AB \cdot BC = AC$
  3. $AB - BC = AC$
  4. $AB = BC = AC$

Solution

By definition of betweenness for collinear points.

Asked in: MH-SSC-9

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