Two marks example problem II — task. Mathematics State Board, Class 10.

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Show that the points

$P(-1.5,3)$ ,

$Q(6,-2)$ ,

$R(-3,4)$ are collinear.

Answer:

Area of the triangle

$=$

$sq. \ units$ .

Therefore, the points

$P(-1.5,3)$ ,

$Q(6,-2)$ ,

$R(-3,4)$ are .

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