UPSKILL MATH PLUS

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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 .