find the value of k if the points A(k+1,2k),B(3k,2k+3) and C(5k-1,5k) are collinear
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Using distance formula equate the distance between AB +BC to AC
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if ABC are collinear then AC = AB + AC
use this relation and u will find the value of k.
(actually my phn is not working properly otherwise I have send u a pic of solution).
U can also find it by the slope method.
by equating the slope of AB and BC.
use this relation and u will find the value of k.
(actually my phn is not working properly otherwise I have send u a pic of solution).
U can also find it by the slope method.
by equating the slope of AB and BC.
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