What is the condition for three points A, B and C to be collinear in terms of direction ratios?
The direction ratio of AB and BC will be proportional and since B is a comment point for both AB and BC, the points A, B and C will be collinear.
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The direction ratio of AB and BC will be proportional and since B is a comment point for both AB and BC, the points A, B and C will be collinear.
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