Plot the following points and check whether they are collinear or not:
(i) (1, 3), (– 1, – 1), (– 2, – 3)
(ii) (1, 1), (2, – 3), (– 1, – 2)
(iii) (0, 0), (2, 2), (5, 5)
(i)
The points are collinear.
(ii)
The points are not collinear.
(iii) 
The points are collinear.
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