show the points (0,-3/2),(1,-1 )and (2,-1/2) are collinear
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the slope of any 2 pair of points is same then they are collinear..
umang2299:
hi
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Given: Three points (0,-3/2), (1,-1 ) and (2,-1/2)
To show: The given point are collinear
Solution:
∵ Three ponits are collinear iff
Now, according to the given question,
⇒
⇒
⇒
⇒
Hence, shown that the given points are collinear.
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