Using the distance formula, show that the given points are colline | Filo
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Using the distance formula, show that the given points are collinear.
and .

Solution:
Points are collinear if sum of any two of distances is equal to the distance of the third.
Let and
A, B and C are collinear if
units
From above, we can see that
Therefore, A, B and C are collinear.
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