ICSE Class 9 Answered
show that the points (-5,1) (1,-1) (1,-2) are collinear
Asked by Sonu | 01 Nov, 2018, 05:24: PM
Expert Answer
The three points are said to be collinear if their area is 0.
Let,
A = (-5,1), B=(1,-1) and C = (1,-2)
Substitute the values in the below formula,
if this value is equal to zero then the points are collinear or else non-collinear.
Answered by Yasmeen Khan | 01 Nov, 2018, 06:04: PM
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