Question

show that (1,2) , (2,1) , (-2,3) are collinear points​

Answer 1

Answer:

The given points are A(1,1), B(2,2) and C(3,3). These points are collinear if slope of AB and BC are same. Since, slope of AB and BC are same, therefore the given points A(1,1), B(2,2) and C(3,3) are collinear.

Step-by-step explanation:

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