Five marks exercise problems VI — task. Mathematics State Board, Class 9.

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Determine whether the given set of points in each case are collinear or not.

$(7, -2)$ ,

$(5, 1)$ ,

$(3, 4)$

Proof:

Take the given points as

$A$ ,

$B$ and

$C$ , respectively.

$AB = \sqrt{i}$

$BC = \sqrt{i}$

$AC = i \sqrt{i}$

The given points are .

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